Table:
0
A
B
C
D
E
1
Date
Tournament
Winning score
Margin of victory
Runner(s)-up
2
Nov 22, 1964
Cajun Classic Open Invitational
–7 (72-70-68-67=277)
5 strokes
Gay Brewer , Jack Nicklaus
3
May 28, 1967
Oklahoma City Open Invitational
–10 (70-72-68-68=278)
Playoff
Gary Player
4
Apr 28, 1968
Byron Nelson Golf Classic
–10 (67-68-65-70=270)
1 stroke
Kermit Zarley
5
Jan 20, 1969
Kaiser International Open Invitational
–9 (68-67=135)
1 stroke
Bruce Devlin
6
Apr 20, 1970
Greater New Orleans Open Invitational
–10 (68-71-69-70=278)
Playoff
Bob Charles , Howie Johnson
7
Jan 24, 1971
Phoenix Open Invitational
–23 (65-64-67-65=261)
2 strokes
Billy Casper , Dan Sikes
8
Jan 23, 1972
Dean Martin Tucson Open
–15 (68-73-67-65=273)
Playoff
George Archer
9
Nov 17, 1973
World Open Golf Championship
+2 (68-74-73-74-67-73-72-69=570)
3 strokes
Ben Crenshaw
10
Sep 22, 1974
Ohio Kings Island Open
–7 (68-68-69-72=277)
3 strokes
George Johnson
11
Oct 2, 1977
Anheuser-Busch Golf Classic
–16 (71-66-70-65=272)
2 strokes
George Archer
12
Jan 15, 1978
Phoenix Open
–12 (68-69-70-65=272)
1 stroke
Jerry Pate , Lee Trevino

Questions and formulas:
Question: What was the margin of victory when the winning score was –10 (70-72-68-68=278)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="–10 (70-72-68-68=278)"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,C2:C12="–10 (70-72-68-68=278)"),4))
Level: medium
Question: When Gary Player was the runner-up, what was the margin of victory?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="gary player"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,E2:E12="gary player"),4))
Level: medium
Question: In what tournament was the winning score –10 (68-71-69-70=278)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="–10 (68-71-69-70=278)"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,C2:C12="–10 (68-71-69-70=278)"),2))
Level: medium