Table:
text: Gil Morgan
Champions Tour wins (25)
Champions Tour wins (25)
Date_ Tournament Winning_score Margin_of_victory Runners_up
Oct 6, 1996 Ralphs Senior Classic −11 (68-68-66=202) 1 stroke Jim Colbert , Chi-Chi Rodríguez
Apr 6, 1997 The Tradition −22 (66-66-67-67=266) 6 strokes Isao Aoki
Jun 1, 1997 Ameritech Senior Open −6 (67-69-74=210) 1 stroke Hale Irwin
Jun 8, 1997 BellSouth Senior Classic at Opryland −14 (69-66-67=202) 2 strokes John Bland
Aug 17, 1997 First of America Classic −9 (69-67-71=207) 1 stroke Bob Duval
Nov 2, 1997 Ralphs Senior Classic −15 (67-66-65=198) 1 stroke George Archer
Nov 9, 1997 Energizer Senior Tour Championship −16 (69-66-66-71=272) 2 strokes Hale Irwin

Question: What is the date of the Ameritech Senior Open among Gil Morgan's Champions Tour wins 25?