CREATE TABLE table_10472 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Purse (  $  ) " FLOAT, "Winner" TEXT, "Score" TEXT, "1st Prize (  $  ) " FLOAT)

What is average prize for first place with a $500,000 purse in the Franklin Quest Championship?
SELECT AVG("1st Prize( $ )") FROM table_10472 WHERE "Purse( $ )" = '500,000' AND "Tournament" = 'franklin quest championship'
SELECT AVG("1st Prize( $ )") FROM "table_10472" WHERE "Purse( $ )" = '500,000' AND "Tournament" = 'franklin quest championship'