CREATE TABLE table_70232 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" FLOAT)

Which engine has a Chassis of lotus 44 f2?
SELECT "Engine" FROM table_70232 WHERE "Chassis" = 'lotus 44 f2'
SELECT "Engine" FROM "table_70232" WHERE "Chassis" = 'lotus 44 f2'