CREATE TABLE table_53345 ("Race" CLOB, "Circuit" CLOB, "Date" CLOB, "Pole position" CLOB, "Fastest lap" CLOB, "Winning driver" CLOB, "Constructor" CLOB, "Tyre" CLOB, "Report" CLOB)

Who was the winning driver of the race with Clay Regazzoni as the fastest lap and Jackie stewart as the pole position?
SELECT "Winning driver" FROM table_53345 WHERE "Fastest lap" = 'clay regazzoni' AND "Pole position" = 'jackie stewart'
SELECT "Winning driver" FROM "table_53345" WHERE "Fastest lap" = 'clay regazzoni' AND "Pole position" = 'jackie stewart'