Table:
text: 1990 Senior PGA Tour
Tournament results
Tournament results
Date_ Tournament Location_ Purse_ Winner Score _1st_Prize_
Aug 12 Sunwest Bank Charley Pride Senior Golf Classic New Mexico 350000 Chi Chi Rodriguez (16) 205 (-11) 52500
Aug 19 Showdown Classic Utah 350000 Rives McBee (2) 202 (-14) 52500
Aug 26 GTE Northwest Classic Washington 350000 George Archer (4) 205 (-11) 52500
Sep 2 GTE North Classic Indiana 450000 Mike Hill (2) 201 (-15) 67500
Sep 9 Vantage Bank One Classic Kentucky 300000 Rives McBee (3) 201 (-15) 45000
Sep 16 Greater Grand Rapids Open Michigan 300000 Don Massengale (1) 134 (-8) 45000
Sep 23 Crestar Classic Virginia 350000 Jim Dent (6) 202 (-14) 52500
Sep 30 Fairfield Barnett Space Coast Classic Florida 300000 Mike Hill (3) 200 (-16) 45000

Question: When was the 1990 tournament held in Washington? Senior PGA Tour Results ?