CREATE TABLE table_67993 ("Year" CLOB, "Date Final" CLOB, "Venue" CLOB, "Prize Money" CLOB, "Champion" CLOB, "Runner-up" CLOB, "Score in final" CLOB, "Commercial name" CLOB)

What prize money has michelob light challenge of champions as the commercial name?
SELECT "Prize Money" FROM table_67993 WHERE "Commercial name" = 'michelob light challenge of champions'
SELECT "Prize Money" FROM "table_67993" WHERE "Commercial name" = 'michelob light challenge of champions'