Table:
text: 1998 Senior PGA Tour
Tournament results
Tournament results
Date_ Tournament Location_ Purse_ Winner Score _1st_Prize_
Jun 14 BellSouth Senior Classic at Opryland Tennessee 1300000 Isao Aoki (8) 198 (-18) 195000
Jun 21 AT&T Canada Senior Open Championship Canada 1100000 Brian Barnes (1) 277 (-11) 165000
Jun 28 Cadillac NFL Golf Classic New Jersey 1100000 Bob Dickson (1) 207 (-9) 165000
Jul 5 State Farm Senior Classic Maryland 1250000 Bruce Summerhays (2) 206 (-10) 187500
Jul 12 Ford Senior Players Championship Michigan 2000000 Gil Morgan (11) 267 (-21) 300000
Jul 19 Ameritech Senior Open Illinois 1300000 Hale Irwin (17) 201 (-15) 195000
Jul 26 U.S. Senior Open California 1500000 Hale Irwin (18) 285 (1) 267500
Aug 2 Utah Showdown Utah 1000000 Gil Morgan (12) 200 (-16) 150000

Question: Tell me the average 1st prize results from the 1998 Senior PGA Tour tournament in Tennessee?