CREATE TABLE table_5933 ("Date" CLOB, "Tournament" CLOB, "Location" CLOB, "Winner" CLOB, "Score" CLOB, "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)'