Table:
0
A
B
C
D
E
1
Player
No.(s)
Height in Ft.
Position
Years with Spurs
2
Jackson, Cedric Cedric Jackson
11
6-3
Guard
2010
3
Jackson, Jaren Jaren Jackson
2
6-4
Guard/Forward
1997-2001
4
Jackson, Stephen Stephen Jackson
3
6-8
Forward/Guard
2001-2003, 2012-2013
5
Jefferson, Richard Richard Jefferson
24
6-7
Guard/Forward
2009-2012
6
Johnson, Avery Avery Johnson
6
5-11
Guard
1991, 1992-1993, 1994-2001
7
Johnson, DerMarr DerMarr Johnson
23
6-9
Guard/Forward
2007-2008
8
Johnson, Linton Linton Johnson
43
6-8
Forward
2004-2005
9
Joseph, Cory Cory Joseph
5
6-3
Guard
2011-present

Questions and formulas:
Question: WHAT POSITION HAD SPURS IN 2009-2012?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="2009-2012"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,E2:E9="2009-2012"),4))
Level: medium