Tiger Woods had an average score of 70.3 strokes per round when playing 36+ holes in 2018-19.

what was tiger woods average score for 36 holes in 2019
Interpreted as:
What was Tiger Woods average score for 36 or more holes in 2019?
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NAMESEASONEVENTSSCORING AVGHOLESTOP 10WINSROUNDSGIR%FWY%DRIVING DISTANCE AVGPUTTING AVGSAND SAVE%SCRAMBLING %FEDEXCUP POINTSMONEY
Tiger WoodsTiger Woods2018-191270.3738414170.065.8296.81.846.458.01,069$3,199,615
StatMuse has season-level data for holes and scoring average going back to the 1979-80 season.