How many coaches reached the finals on their first year?

	COACH	SEASON	SERIES	GP	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	PTS	REB	AST	PF
1	Edward Gottlieb	1946-47	NBA Finals	5	240.0	80.0			28.2			23.6	32.0	73.8		1,200	400			109
2	Harold Olsen	1946-47	NBA Finals	5	240.0	74.2			28.4			17.4	27.4	63.5		1,200	371			129
3	Buddy Jeannette	1947-48	NBA Finals	6	240.0	74.3		7.3	25.0	95.7	26.1	24.3	33.7	72.3	33.6	1,440	446		44	170
4	Edward Gottlieb	1947-48	NBA Finals	6	240.0	73.8		6.3	22.5	90.7	24.8	28.8	37.3	77.2	34.5	1,440	443		38	155
5	Red Auerbach	1948-49	NBA Finals	6	240.0	72.2			25.0			22.2	33.0	67.2		1,440	433			179
6	John Kundla	1948-49	NBA Finals	6	240.0	78.5			26.7			25.2	34.2	73.7		1,440	471			162
7	Al Cervi	1949-50	NBA Finals	6	240.0	80.2			27.8			24.5	34.8	70.3		1,440	481			168
8	John Kundla	1949-50	NBA Finals	6	240.0	84.5			29.7			25.2	35.2	71.6		1,440	507			179
9	Les Harrison	1950-51	NBA Finals	7	240.0	83.3	51.9	24.3	29.4	73.7	39.9	24.4	33.1	73.7	47.2	1,680	583	363	170	182
10	Joe Lapchick	1950-51	NBA Finals	7	240.0	78.0	44.0	21.1	28.9	79.1	36.5	20.3	30.3	67.0	42.2	1,680	546	308	148	198
11	John Kundla	1951-52	NBA Finals	7	247.1	82.6	46.3	18.9	30.7	74.4	41.3	21.1	30.1	70.1	47.1	1,730	578	324	132	196
12	Joe Lapchick	1951-52	NBA Finals	7	247.1	79.4	41.1	14.6	26.1	70.1	37.3	27.1	36.6	74.2	46.1	1,730	556	288	102	178
13	John Kundla	1952-53	NBA Finals	5	240.0	82.6			29.0	78.2	37.1	24.6	34.0	72.4	44.3	1,200	413			142
14	Joe Lapchick	1952-53	NBA Finals	5	240.0	79.0			25.0	72.0	34.7	29.0	39.2	74.0	44.3	1,200	395			139
15	Al Cervi	1953-54	NBA Finals	7	240.0	70.7			23.6	61.9	38.1	23.6	37.9	62.3	45.0	1,680	495			167
16	John Kundla	1953-54	NBA Finals	7	240.0	74.7			27.6	68.4	40.3	19.6	28.4	68.8	46.2	1,680	523			201
17	Al Cervi	1954-55	NBA Finals	7	240.0	90.9			29.6			31.7	42.1	75.3		1,680	636			184
18	Charley Eckman	1954-55	NBA Finals	7	240.0	91.4			31.0			29.4	37.3	78.9		1,680	640			201
19	George Senesky	1955-56	NBA Finals	5	240.0	97.4	55.0	25.8	36.4	93.6	38.9	24.6	33.8	72.8	44.9	1,200	487	275	129	127
20	Charley Eckman	1955-56	NBA Finals	5	240.0	93.4	58.4	21.8	32.6	89.2	36.5	28.2	37.4	75.4	44.2	1,200	467	292	109	113
21	Alex Hannum	1956-57	NBA Finals	7	254.3	110.0	60.9	20.7	37.6	99.0	38.0	34.9	49.1	70.9	45.6	1,780	770	426	145	208
22	Red Auerbach	1956-57	NBA Finals	7	254.3	115.1	69.6	22.6	42.1	114.1	36.9	30.9	42.7	72.2	43.3	1,780	806	487	158	221
23	Alex Hannum	1957-58	NBA Finals	6	240.0	106.2	58.2		35.2	90.3	38.9	35.8	48.2	74.4	47.6	1,440	637	349		194
24	Red Auerbach	1957-58	NBA Finals	6	240.0	110.7	65.5		36.0	101.3	35.5	38.7	49.7	77.9	44.9	1,440	664	393		194
25	Red Auerbach	1958-59	NBA Finals	4	240.0	121.8	73.8	28.5	47.0	115.8	40.6	27.8	39.8	69.8	45.7	960	487	295	114	90