Table:
0
A
B
C
D
E
1
Time Period
Position
Bureau
Office
District Attorney
2
1974–1984
Assistant District Attorney
Homicide/ Special Victims
Manhattan District Attorney's office
Various
3
1984–2002
Unknown
Unknown
Unknown
Unknown
4
2002–2004
Bureau Chief ADA
Special Victims
Manhattan District Attorney's office
Nora Lewin / Arthur Branch
5
2005–2008
Judge
–
New York Supreme Court
–
6
2008
Executive Assistant District Attorney
Homicide Special Victims
Manhattan District Attorney's office
Jack McCoy
7
2008–2010
Judge
–
New York Supreme Court
–

Questions and formulas:
Question: Tell me the DA for bureau chief ada
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="bureau chief ada"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,B2:B7="bureau chief ada"),5))
Level: medium