Table:
0
A
B
C
D
E
F
G
1
Outcome
Date
Tournament
Surface
Partner
Opponents in the final
Score in the final
2
Winner
1969
Buenos Aires, Argentina
Clay
Jaime Fillol
Roy Emerson Frew McMillan
W/O
3
Winner
1970
South Orange, U.S.
Hard
Jaime Fillol
Andrés Gimeno Rod Laver
3–6, 7–6, 7–6
4
Runner-up
1971
Bournemouth, England
Clay
Jaime Fillol
Bill Bowrey Owen Davidson
6–8, 2–6, 6–3, 6–4, 3–6
5
Runner-up
1971
Buenos Aires, Argentina
Clay
Jaime Fillol
Željko Franulović Ilie Năstase
4–6, 4–6
6
Winner
1972
Caracas, Venezuela
Hard
Jaime Fillol
Jim McManus Manuel Orantes
6–4, 6–3, 7–6
7
Runner-up
1972
Brussels, Belgium
Clay
Jaime Fillol
Juan Gisbert Manuel Orantes
7–9, 3–6
8
Runner-up
1972
French Open, Paris
Clay
Jaime Fillol
Bob Hewitt Frew McMillan
3–6, 6–8, 6–3, 1–6
9
Runner-up
1972
Indianapolis, U.S.
Clay
Jaime Fillol
Bob Hewitt Frew McMillan
2–6, 3–6
10
Runner-up
1973
Buenos Aires, Argentina
Clay
Iván Molina
Ricardo Cano Guillermo Vilas
6–7, 3–6
11
Runner-up
1974
Washington D.C., U.S.
Clay
Jaime Fillol
Tom Gorman Marty Riessen
5–7, 1–6
12
Runner-up
1974
U.S. Open, New York
Grass
Jaime Fillol
Robert Lutz Stan Smith
3–6, 3–6
13
Runner-up
1974
Buenos Aires, Argentina
Clay
Jaime Fillol
Manuel Orantes Guillermo Vilas
4–6, 3–6
14
Winner
1975
Charlotte, U.S.
Clay
Jaime Fillol
Ismail El Shafei Brian Fairlie
6–3, 5–7, 6–4
15
Winner
1976
Berlin, Germany
Hard
Julien Munoz
Jürgen Fassbender Hans-Jürgen Pohmann
7–5, 6–1
16
Winner
1976
Santiago, Chile
Clay
Hans Gildemeister
Lito Álvarez Belus Prajoux
6–3, 7–6
17
Runner-up
1977
Murcia, Spain
Clay
Hans Gildemeister
Patrice Dominguez François Jauffret
5–7, 2–6
18
Winner
1977
Indianapolis, U.S.
Clay
Jaime Fillol
Dick Crealy Cliff Letcher
6–7, 6–4, 6–3
19
Winner
1977
Santiago, Chile
Clay
Jaime Fillol
Henry Bunis Paul McNamee
5–7, 6–1, 6–1

Questions and formulas:
Question: Who is the partner on a date later than 1971 who is the runner-up with a score of 3–6, 3–6?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(B1>1971)*(A1="runner-up")*(G1="3–6, 3–6")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G19,(B2:B19>1971)*(A2:A19="runner-up")*(G2:G19="3–6, 3–6")),5))
Level: medium