CREATE TABLE table_16771 ("Race Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Constructor" CLOB, "Report" CLOB)

Who won the Modena circuit?
SELECT "Winning driver" FROM table_16771 WHERE "Circuit" = 'Modena'
SELECT "Winning driver" FROM "table_16771" WHERE "Circuit" = 'Modena'