Table:
0
A
B
C
D
E
F
G
1
Archbishop
Born
Ordained Priest
Ordained Bishop
Appointed Archbishop
Vacated throne
Died
2
Jean Baptiste Lamy
October 11, 1814
December 1838
November 24, 1850
February 12, 1875
August 18, 1885
February 13, 1888
3
Jean Baptiste Salpointe
February 22, 1825
December 20, 1851
June 20, 1869
August 18, 1885
January 7, 1894
July 15, 1898
4
Placide Louis Chapelle
August 28, 1843
June 28, 1866
November 1, 1891
January 7, 1895
December 7, 1898
August 8, 1906
5
Peter Bourgade
October 17, 1846
November 30, 1869
May 1, 1886
January 7, 1899
May 17, 1907
May 17, 1907
6
John Baptist Pitaval
February 10, 1858
December 24, 1881
July 25, 1902
January 3, 1909
July 29, 1918
May 23, 1928
7
Albert Daeger
March 5, 1872
July 25, 1896
May 7, 1919
March 10, 1919
December 2, 1932
December 2, 1932
8
Rudolph Gerken
March 7, 1887
July 10, 1917
April 26, 1927
June 2, 1933
March 2, 1943
March 2, 1943
9
Edwin Byrne
August 9, 1891
May 22, 1915
November 30, 1925
June 12, 1943
July 26, 1963
July 26, 1963
10
James Peter Davis
June 9, 1904
May 19, 1929
October 6, 1943
January 3, 1964
June 1, 1974
March 4, 1988
11
Robert Fortune Sanchez
March 20, 1934
December 20, 1959
July 25, 1974
June 1, 1974
April 6, 1993
January 20, 2012
12
Michael Jarboe Sheehan
July 9, 1939
July 12, 1964
June 17, 1983
August 16, 1993
Still serving
Still living

Questions and formulas:
Question: Which archbishop vacated the throne on May 17, 1907?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="may 17, 1907"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,F2:F12="may 17, 1907"),1))
Level: medium
Question: When did the archbishop that was ordained a bishop on July 25, 1902 die?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="july 25, 1902"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,D2:D12="july 25, 1902"),7))
Level: medium
Question: When was the archbishop that was born on February 10, 1858 ordained a bishop?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="february 10, 1858"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,B2:B12="february 10, 1858"),4))
Level: medium
Question: When did Archbishop Albert Daeger vacate the throne?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="albert daeger"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,A2:A12="albert daeger"),6))
Level: medium
Question: When was the archbishop that was ordained as a bishop on November 30, 1925 born?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="november 30, 1925"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,D2:D12="november 30, 1925"),2))
Level: medium
Question: When was the archbishop that was born on February 22, 1825 ordained as a bishop?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="february 22, 1825"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,B2:B12="february 22, 1825"),4))
Level: medium