CREATE TABLE table_62740 ("Race Title" CLOB, "Circuit" CLOB, "City / State" CLOB, "Date" CLOB, "Winner" CLOB)

What's the circuit that had an event cancelled?
SELECT "Circuit" FROM table_62740 WHERE "Winner" = 'event cancelled'
SELECT "Circuit" FROM "table_62740" WHERE "Winner" = 'event cancelled'