Table:
0
A
B
C
D
E
1
Round
Name
Position
School
Signed
2
1
Larry Burchart
RHP
Oklahoma State University
No Dodgers - 1967 June
3
2
James Doran
OF
Staunton Military Academy
Yes
4
3
Jeffrey Bowman
RHP
Modesto Junior College
No
5
4
Maurice Smith
C
University of Illinois at Urbana–Champaign
Yes
6
5
Paul DeVaney
RHP
Rochester Business Institute
Yes
7
6
Michael Babler
RHP
Chabot College
No
8
7
Eldon Jones
LHP
Trinidad State Junior College
No Athletics - 1970

Questions and formulas:
Question: Which school had a player who played the C position?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="c"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,C2:C8="c"),4))
Level: medium