The Houston Rockets have the most games by a team with 50+ three-point attempts, with 73 games.

which team has the most games with 50 3pa including playoffs
Interpreted as:
Which team has the most games with 50 or more 3pa including playoffs?
RocketsMavericksJazzNetsBucksRaptorsCelticsTrail BlazersHawksWarriorsHeatSunsPacersTimberwolvesThunderHornets76ersClippersKingsPelicansKnicks7312111186544322222111111
TEAMGP3PAMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF
Houston RocketsHouston Rockets733,926243.8119.645.024.48.54.412.240.892.444.119.636.418.523.379.217,7958,7283,2871,7786223238901,516
Dallas MavericksDallas Mavericks12611246.3119.444.627.05.94.611.341.394.843.518.336.018.623.280.22,9551,4335353247155136256
Utah JazzUtah Jazz11589246.8125.650.028.96.95.514.144.493.547.422.441.814.518.180.42,7151,3825503187661155218
Brooklyn NetsBrooklyn Nets11587244.5110.048.527.66.64.913.538.195.539.919.135.814.719.675.02,6901,2105333047354149223
Milwaukee BucksMilwaukee Bucks8418246.3126.850.627.57.54.514.844.095.846.019.336.819.523.981.71,9701,0144052206036118172
Toronto RaptorsToronto Raptors6309240.0108.543.328.08.24.713.538.391.042.119.036.912.816.577.81,440651260168492881131
Boston CelticsBoston Celtics5266245.0113.045.827.47.64.411.240.292.643.420.638.712.013.887.01,225565229137382256109
Portland Trail BlazersPortland Trail Blazers4215240.0110.046.321.58.34.511.037.096.538.319.536.316.521.875.99604401858633184476
Atlanta HawksAtlanta Hawks4226277.5137.048.832.39.57.014.050.5108.346.720.836.715.321.570.91,11054819512938285696
Golden State WarriorsGolden State Warriors3154248.3114.748.031.76.74.016.041.393.744.117.333.814.719.375.97453441449520124862
Miami HeatMiami Heat2106252.5118.044.527.510.55.014.542.596.544.016.531.116.519.584.6505236895521102938
Phoenix SunsPhoenix Suns2105277.5108.550.025.09.05.515.041.096.542.516.531.410.015.564.55552171005018113056
Indiana PacersIndiana Pacers2100240.0107.536.024.57.03.57.039.597.540.515.531.013.015.086.748021572491471437
Minnesota TimberwolvesMinnesota Timberwolves2104240.0112.046.034.56.05.015.540.096.041.716.531.715.518.086.1480224926912103134
Oklahoma City ThunderOklahoma City Thunder2108252.5127.548.535.58.53.513.544.5101.543.822.541.716.024.565.350525597711772742
Charlotte HornetsCharlotte Hornets150240.0127.049.035.04.010.018.044.091.048.419.038.020.022.090.924012749354101819
Philadelphia 76ersPhiladelphia 76ers155265.0137.052.032.010.06.017.050.0102.049.019.034.518.025.072.026513752321061721
L.A. ClippersL.A. Clippers154240.0128.051.035.06.05.011.045.089.050.624.044.414.019.073.72401285135651121
Sacramento KingsSacramento Kings151265.0113.049.027.011.03.015.044.0106.041.513.025.512.015.080.026511349271131521
New Orleans PelicansNew Orleans Pelicans150240.0123.042.027.09.02.017.046.0100.046.018.036.013.016.081.32401234227921730
New York KnicksNew York Knicks151340.0139.063.032.09.011.012.051.0128.039.818.035.319.023.082.634013963329111239
StatMuse has team, game-level data for three-point attempts going back to the 1983-84 season.

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