CREATE TABLE table_71259 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

Which engine has a Lotus 49c chassis?
SELECT "Engine" FROM table_71259 WHERE "Chassis" = 'lotus 49c'
SELECT "Engine" FROM "table_71259" WHERE "Chassis" = 'lotus 49c'