CREATE TABLE table_220 ("Race Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Constructor" CLOB, "Report" CLOB)

Which races did Paul Greifzu win?
SELECT "Race Name" FROM table_220 WHERE "Winning driver" = 'Paul Greifzu'
SELECT "Race Name" FROM "table_220" WHERE "Winning driver" = 'Paul Greifzu'