CREATE TABLE table_name_77 (engine VARCHAR, entrant VARCHAR, chassis VARCHAR)

Which engine did dr ing f porsche kg use with the porsche rsk (f2) chassis?
SELECT engine FROM table_name_77 WHERE entrant = "dr ing f porsche kg" AND chassis = "porsche rsk (f2)"
SELECT "engine" FROM "table_name_77" WHERE "chassis" = "porsche rsk (f2)" AND "dr ing f porsche kg" = "entrant"