how many nba coaches have stayed 6 years with the same team

Red Auerbach played 20 seasons in his coaching career.

Interpreted as:

How many NBA coaches have stayed 6 or more years with the same team?

	COACH	SEAS	GP	MPG	PPG	RPG	APG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	MIN	PTS	REB	AST	PF
1	Red Auerbach	20	1,419	241.6	103.0			38.9						25.2				342,835	146,160
2	Edward Gottlieb	9	582	242.0	80.5			28.9						22.7				140,855	46,871
3	Buddy Jeannette	6	309	241.6	88.7			32.1						24.5				74,660	27,414
4	Joe Lapchick	9	573	243.1	84.6			29.9						24.9				139,320	48,500
5	John Kundla	11	725	242.2	91.5			33.4						24.7	33.0	74.8		175,625	66,340
6	Les Harrison	7	476	243.7	84.9			29.9						25.1	34.3	72.9		116,015	40,409
7	Al Cervi	9	567	242.6	89.9			31.2						27.5	37.3	73.9		137,580	50,953
8	Red Holzman	18	1,300	241.2	104.9			41.9			0.6			21.0	28.3	74.1		313,520	136,413			32,473
9	Paul Seymour	8	512	241.0	113.5			42.7						28.1	37.1	75.7		123,405	58,120
10	Alex Hannum	12	883	241.0	115.9			44.5						26.8	37.5	71.5		212,795	102,320			22,907
11	Dick McGuire	7	457	241.1	116.2			44.3						27.7	38.0	72.8		110,205	53,125
12	Fred Schaus	7	560	241.5	115.7			43.7						28.3	37.6	75.4		135,250	64,773
13	Jack McMahon	8	549	241.1	115.0			44.4						26.3	35.7	73.7		132,360	63,149			14,204
14	Slick Leonard	6	450	241.3	109.4			43.2			1.1			22.8	31.2	73.0		108,600	49,231			11,440
15	Richie Guerin	8	618	240.9	112.7			43.5						25.7	35.3	72.7		148,895	69,637			15,635
16	Bill Russell	8	631	241.5	109.4			43.6			1.2	4.3	28.3	22.1	30.1	73.4		152,365	69,021			16,099
17	Bill Sharman	7	573	241.2	113.0			44.7						23.7	31.5	75.1		138,220	64,762			13,791
18	Gene Shue	22	1,645	241.5	107.4			42.9			1.1			21.1	28.4	74.3		397,300	176,743			39,513
19	Butch van Breda Kolff	9	519	242.0	110.6			43.0						24.6	33.9	72.8		125,585	57,412			12,883
20	Dick Motta	25	1,952	241.7	106.5			41.6			2.7			21.7	28.8	75.4		471,705	207,824			45,399
21	Larry Costello	10	730	241.1	109.1			44.8						19.5	26.1	74.8		176,000	79,624
22	Jack Ramsay	21	1,647	241.3	110.5			43.9			0.7	2.7	26.6	22.5	29.9	75.0		397,380	181,984			41,578
23	Lenny Wilkens	32	2,487	241.5	102.8	44.4	24.0	39.8			3.1			20.7	27.6	75.2		600,505	255,733	110,457	59,687	55,022
24	Tom Heinsohn	9	690	241.1	110.6			44.5						21.5	27.7	77.8		166,375	76,314			16,982
25	Al Attles	14	1,075	241.0	108.4	49.6	24.3	44.2	94.2	46.9	0.7			20.0	26.6	75.2	51.2	259,125	116,582	53,320	26,122	26,416