Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
Tennessee 1
Jimmy Quillen
Republican
1962
Re-elected
Jimmy Quillen (R) 68.9% John B. Russell (D) 31.1%
3
Tennessee 2
John Duncan, Sr.
Republican
1964
Re-elected
John Duncan, Sr. (R) 76.2% John F. Bowen (D) 23.8%
4
Tennessee 3
Marilyn Lloyd
Democratic
1974
Re-elected
Marilyn Lloyd (D) 53.9% Jim Golden (R) 46.1%
5
Tennessee 4
Jim Cooper
Democratic
1982
Re-elected
Jim Cooper (D) Unopposed
6
Tennessee 6
Bart Gordon
Democratic
1984
Re-elected
Bart Gordon (D) 76.8% Fred Vail (R) 23.2%
7
Tennessee 7
Don Sundquist
Republican
1982
Re-elected
Don Sundquist (R) 72.3% M. Lloyd Hiler (D) 27.7%

Questions and formulas:
Question: Name number first elected for tennessee 2?
Formula: ROWS(UNIQUE(FILTER(D1, A1="Tennessee 2")))
Formula2: ROWS(UNIQUE(FILTER(D2:D7, A2:A7="Tennessee 2")))
Level: medium
Question: Name the candidates  in 1964
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1=1964),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7=1964),6))
Level: medium