Table:
0
A
B
C
D
E
F
1
Year
Men's singles
Women's singles
Men's doubles
Women's doubles
Mixed doubles
2
1957
Dave F. McTaggart
Judy Devlin
Don K. Smythe H. "Budd" Porter
Sue Devlin Judy Devlin
Robert B. Williams Ethel Marshall
3
1958
Dave F. McTaggart
Jean Miller
Don K. Smythe H. "Budd" Porter
Marjorie Shedd Joan Hennessy
William Purcell Marjorie Shedd
4
1959
Tan Joe Hok
Judy Devlin
Lim Say Hup Teh Kew San
Sue Devlin Judy Devlin
Don P. Davis Judy Devlin
5
1960
Tan Joe Hok
Marjorie Shedd
Lim Say Hup Teh Kew San
Lois Alston Beulah Armendariz
Finn Kobberø Jean Miller
6
1961
Erland Kops
Marjorie Shedd
Finn Kobberø Jörgen Hammergaard Hansen
Marjorie Shedd Dorothy Tinline
Finn Kobberø Jean Miller

Questions and formulas:
Question: What year did dave f. mctaggart win the men's singles and robert b. williams ethel marshall win the mixed doubles?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(B1="dave f. mctaggart")*(F1="robert b. williams ethel marshall")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,(B2:B6="dave f. mctaggart")*(F2:F6="robert b. williams ethel marshall")),1))
Level: medium
Question: Who won the women's singles before 1958 when dave f. mctaggart won the men's singles?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(B1="dave f. mctaggart")*(A1<1958)),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,(B2:B6="dave f. mctaggart")*(A2:A6<1958)),3))
Level: medium
Question: Who won the men's singles in 1958?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1=1958),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,A2:A6=1958),2))
Level: medium
Question: Who won the mixed doubles in 1957 when judy devlin won the women's singles?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(C1="judy devlin")*(A1=1957)),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,(C2:C6="judy devlin")*(A2:A6=1957)),6))
Level: medium