Table:
text: Hale Irwin
Champions Tour wins (45)
Champions Tour wins (45)
Date_ Tournament Winning_score Margin_of_victory Runners_up
Jul 20, 1997 Burnet Senior Classic –17 (65-68-66=199) 2 strokes Lee Trevino
Aug 3, 1997 BankBoston Classic –13 (70-65-65=200) 2 strokes Jerry McGee , Bob Wynn
Sep 14, 1997 Boone Valley Classic –16 (70-65-65=200) 2 strokes Gil Morgan
Oct 5, 1997 Vantage Championship –18 (64-62-69=195) 1 stroke Dave Eichelberger
Oct 19 1997 Hyatt Regency Maui Kaanapali Classic –13 (67-63-70=200) 3 strokes Mike Hill , Bruce Summerhays
Mar 15, 1998 Toshiba Senior Classic –13 (70-68-62=200) 1 stroke Hubert Green
Apr 19, 1998 PGA Seniors` Championship –13 (68-68-69-70=275) 6 strokes Larry Nelson
Apr 26, 1998 Las Vegas Senior Classic –7 (69-67-70-75=281) 1 stroke Vicente Fernandez

Question: When does Hale Irwin have a winning score of -16 (70-65-65=200) (45) on the Champions Tour?