Table:
0
A
B
C
D
E
F
G
1
State
Born/Died
Active service
Chief Judge
Senior status
Appointed by
Reason for termination
2
CA
1914–2010
1966 –1981
1966–1967
1981–2010
Eisenhower
death
3
CA
1901–1991
1966 –1969
—
1969–1991
Eisenhower Category:Articles with hCards
death
4
CA
1914–2000
1966 –1979
1967–1979
1979–2000
Kennedy Category:Articles with hCards
death
5
CA
1913–1998
1969–1983
1979–1983
1983–1998
Nixon Category:Articles with hCards
death
6
CA
1920–2005
1979–1990
—
1990–2005
Carter Category:Articles with hCards
death
7
CA
1919–1997
1979–1989
—
1989–1997
Carter Category:Articles with hCards
death
8
CA
1944–present
1980–1989
—
—
Carter Category:Articles with hCards
resignation
9
CA
1930–2012
1982–1996
1990–1996
1996–2006
Reagan
death
10
CA
1928–present
1984–1996
—
1996–2012
Reagan Category:Articles with hCards
retirement
11
CA
1952–present
1990–2007
2003–2007
—
G.H.W. Bush Category:Articles with hCards
resignation
12
CA
1940–present
1991–2006
—
2006–2011
G.H.W. Bush
retirement
13
CA
1938–present
1997–2008
—
2008–2011
Clinton
retirement

Questions and formulas:
Question: Who did Clinton appoint as a Chief Judge?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="clinton"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G13,F2:F13="clinton"),4))
Level: medium