CREATE TABLE table_34704 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Winner" TEXT, "Score" TEXT, "1st prize  (  $  ) " FLOAT)

What is the average first prize of the tournament with a score of 279 ( 9)?
SELECT AVG("1st prize ( $ )") FROM table_34704 WHERE "Score" = '279 (–9)'
SELECT AVG("1st prize ( $ )") FROM "table_34704" WHERE "Score" = '279 (–9)'