Table:
0
A
B
C
D
E
1
Date
Tournament
Winning score
Margin of victory
Runner(s)-up
2
9 Jul 1954
The Open Championship
−9 (72-71-69-71=283)
1 stroke
Bobby Locke , Dai Rees , Syd Scott
3
8 Jul 1955
The Open Championship
−7 (71-68-70-72=281)
2 strokes
John Fallon
4
4 Jun 1956
Texas International Open
−13 (67-68-69-63=267)
Playoff
Cary Middlecoff , Gene Littler
5
6 Jul 1956
The Open Championship
+2 (70-70-72-74=286)
3 strokes
Flory Van Donck
6
4 Jul 1958
The Open Championship
−6 (33-72-67-73=278)
Playoff
Dave Thomas
7
9 Jul 1965
The Open Championship
−3 (74-68-72-71=285)
2 strokes
Brian Huggett , Christy O'Connor Snr

Questions and formulas:
Question: What was the margin of victory at the Texas International Open?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="texas international open"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,B2:B7="texas international open"),4))
Level: medium
Question: What was the margin of victory in the tournament with a winning score of −3 (74-68-72-71=285)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="−3 (74-68-72-71=285)"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="−3 (74-68-72-71=285)"),4))
Level: medium