Table:
0
A
B
C
D
E
F
G
1
Outcome
Year
Championship
Surface
Partner
Opponents in the final
Score in the final
2
Runner-up
1971
US Open
Grass
Bob Maud
Billie Jean King Owen Davidson
6–3, 7–5
3
Runner-up
1973
French Open
Clay
Patrice Dominguez
Françoise Dürr Jean-Claude Barclay
6–1, 6–4
4
Runner-up
1975
Wimbledon
Grass
Allan Stone
Margaret Court Marty Riessen
6–4, 7–5
5
Runner-up
1976
US Open
Clay
Frew McMillan
Billie Jean King Phil Dent
3–6, 6–2, 7–5
6
Runner-up
1977
Wimbledon
Grass
Frew McMillan
Greer Stevens Bob Hewitt
3–6, 7–5, 6–4
7
Winner
1977
US Open
Clay
Frew McMillan
Billie Jean King Vitas Gerulaitis
6–2, 3–6, 6–3
8
Winner
1978
Wimbledon
Grass
Frew McMillan
Billie Jean King Ray Ruffels
6–2, 6–2
9
Winner
1978
US Open (2)
Hard
Frew McMillan
Billie Jean King Ray Ruffels
6–3, 7–6
10
Runner-up
1979
Wimbledon
Grass
Frew McMillan
Greer Stevens Bob Hewitt
7–5, 7–6
11
Runner-up
1979
US Open
Hard
Frew McMillan
Greer Stevens Bob Hewitt
6–3, 7–5
12
Runner-up
1980
US Open
Hard
Frew McMillan
Wendy Turnbull Marty Riessen
7–5, 6–2
13
Runner-up
1981
French Open
Clay
Fred McNair
Andrea Jaeger Jimmy Arias
7–6, 6–4

Questions and formulas:
Question: What championship was played with Allan Stone as a partner?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="Allan Stone"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G13,E2:E13="Allan Stone"),3))
Level: medium
Question: How many different partners played in the finale in 1973?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1=1973),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G13,B2:B13=1973),5))
Level: medium
Question: What was the score in the final played with Fred McNair as partner?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="Fred McNair"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G13,E2:E13="Fred McNair"),7))
Level: medium