CREATE TABLE table_5933 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Winner" TEXT, "Score" TEXT, "1st prize  (  $  ) " FLOAT)

What is the amount of the 1st prize when the Winner was ken green (4)?
SELECT "1st prize ( $ )" FROM table_5933 WHERE "Winner" = 'ken green (4)'
SELECT "1st prize ( $ )" FROM "table_5933" WHERE "Winner" = 'ken green (4)'