CREATE TABLE table_70502 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

Can you tell me the Chassis that has the Year of 1977?
SELECT "Chassis" FROM table_70502 WHERE "Year" = '1977'
SELECT "Chassis" FROM "table_70502" WHERE "Year" = '1977'