CREATE TABLE table_56407 ("Race Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Constructor" CLOB, "Report" CLOB)

Which date was the syracuse circuit?
SELECT "Date" FROM table_56407 WHERE "Circuit" = 'syracuse'
SELECT "Date" FROM "table_56407" WHERE "Circuit" = 'syracuse'