CREATE TABLE table_4637 ("Round" FLOAT, "Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Winning car" CLOB)

Which driver drove car Wolf WR3?
SELECT "Winning driver" FROM table_4637 WHERE "Winning car" = 'wolf wr3'
SELECT "Winning driver" FROM "table_4637" WHERE "Winning car" = 'wolf wr3'