CREATE TABLE table_53104 ("Race" TEXT, "Circuit" TEXT, "Date" TEXT, "Pole position" TEXT, "Fastest lap" TEXT, "Winning driver" TEXT, "Constructor" TEXT, "Tyre" TEXT, "Report" TEXT)

What driver was the winner when Joakim Bonnier was in the Pole Position?
SELECT "Winning driver" FROM table_53104 WHERE "Pole position" = 'joakim bonnier'
SELECT "Winning driver" FROM "table_53104" WHERE "Pole position" = 'joakim bonnier'