Table:
0
A
B
C
D
E
1
Date
Tournament
Winning score
Margin of victory
Runner(s)-up
2
Oct 12, 1997
Michelob Championship at Kingsmill
–13 (67-66-71-67=271)
Playoff
Grant Waite , Duffy Waldorf
3
Oct 19, 1997
Walt Disney World/Oldsmobile Classic
–18 (65-70-65-70=270)
Playoff
Dan Forsman
4
Nov 2, 1997
The Tour Championship
–11 (66-69-70-68=273)
1 stroke
Jim Furyk
5
Feb 22, 1998
Tucson Chrysler Classic
–19 (66-62-68-73=269)
4 strokes
Justin Leonard , David Toms
6
May 3, 1998
Shell Houston Open
–12 (69-70-73-64=276)
1 stroke
Jeff Maggert
7
Aug 30, 1998
NEC World Series of Golf
–11 (69-66-66-68=269)
2 strokes
Phil Mickelson
8
Oct 11, 1998
Michelob Championship at Kingsmill
–16 (65-67-68-68=268)
3 strokes
Phil Tataurangi
9
Jan 10, 1999
Mercedes Championships
–26 (67-63-68-68=266)
9 strokes
Mark O'Meara
10
Jan 24, 1999
Bob Hope Chrysler Classic
–26 (70-71-64-70-59=334)
1 stroke
Steve Pate
11
Mar 28, 1999
The Players Championship
–3 (69-69-74-73=285)
2 strokes
Scott Gump
12
Apr 4, 1999
BellSouth Classic
–18 (66-69-68-67=270)
2 strokes
Stewart Cink
13
Oct 1, 2000
Buick Challenge
–19 (68-69-67-65=269)
2 strokes
Jeff Maggert , Nick Price
14
Jul 22, 2001
The Open Championship
–10 (69-73-65-67=274)
3 strokes
Niclas Fasth

Questions and formulas:
Question: What was the winning score on May 3, 1998?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="may 3, 1998"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,A2:A14="may 3, 1998"),3))
Level: medium