Table:
text: Kathy Whitworth
LPGA Tour wins (88)
LPGA Tour wins (88)
Date_ Tournament Winning_score Margin_of_victory Runners_up
Oct 30, 1966 Las Cruces Ladies Open –2 (69-71-74=214) 6 strokes Marilynn Smith
Nov 6, 1966 Amarillo Ladies` Open +2 (76-71-68=215) Playoff Mickey Wright
Nov 27, 1966 Titleholders Championship +3 (74-70-74-73=291) 2 strokes Judy Kimball-Simon , Mary Mills
Mar 26, 1967 Venice Ladies Open +4 (70-71-76=217) 1 stroke Clifford Ann Creed , Gloria Ehret
Apr 23, 1967 Raleigh Ladies Invitational –1 (72-72-71=215) 5 strokes Susie Maxwell Berning
Jun 7, 1967 St. Louis Women`s Invitational +2 (68-70-71=209) 2 strokes Carol Mann
Jul 16, 1967 LPGA Championship –8 (69-74-72-69=284) 1 stroke Shirley Englehorn
Aug 6, 1967 Lady Carling Open (Ohio) –4 (71-70-71=212) 1 stroke Susie Maxwell Berning

Question: What was the win margin for LPGA Tour (88) Kathy Whitworth wins on April 23, 1967?