Table:
text: Miller Barber
PGA Tour wins (11)
PGA Tour wins (11)
Date_ Tournament Winning_score Margin_of_victory Runners_up
Nov 22, 1964 Cajun Classic Open Invitational –7 (72-70-68-67=277) 5 strokes Gay Brewer , Jack Nicklaus
May 28, 1967 Oklahoma City Open Invitational –10 (70-72-68-68=278) Playoff Gary Player
Apr 28, 1968 Byron Nelson Golf Classic –10 (67-68-65-70=270) 1 stroke Kermit Zarley
Jan 20, 1969 Kaiser International Open Invitational –9 (68-67=135) 1 stroke Bruce Devlin
Apr 20, 1970 Greater New Orleans Open Invitational –10 (68-71-69-70=278) Playoff Bob Charles , Howie Johnson
Jan 24, 1971 Phoenix Open Invitational –23 (65-64-67-65=261) 2 strokes Billy Casper , Dan Sikes
Jan 23, 1972 Dean Martin Tucson Open –15 (68-73-67-65=273) Playoff George Archer

Question: What was the win margin if the win score was -10 (70-72-68-68=278) in Miller Barber PGA Tour wins 11?

Question: In which tournament was the winning score -10 (68-71-69-70=278) among PGA Tour wins (11) Miller Barber ?