Table: senior_pga_tournaments_11
Columns: date
tournament
location
purse
winner
score
1st_prize

Question: For the gte northwest classic with the score of 207 (-9), what is the average 1st prize ($)
SQL: SELECT AVG("1st_prize") FROM senior_pga_tournaments_11 WHERE "score" = '207 (-9)' AND "tournament" = 'gte northwest classic'

Question: For sep 18 what is the total number of 1 prize ($)
SQL: SELECT COUNT("1st_prize") FROM senior_pga_tournaments_11 WHERE "date" = 'sep 18'

Question: What is the winner for Virginia?
SQL: SELECT "winner" FROM senior_pga_tournaments_11 WHERE "location" = 'virginia'

Question: On what date was the gte north classic tournament?
SQL: SELECT "date" FROM senior_pga_tournaments_11 WHERE "tournament" = 'gte north classic'