Table: f1_1973_season
Columns: rnd
race
circuit
date
pole_position
fastest_lap
winning_driver
constructor
tyre
report

Question: When the fastest lap was carlos pace and jackie stewart was the pole position, who was the winning driver?
SQL: SELECT "winning_driver" FROM f1_1973_season WHERE "pole_position" = 'jackie stewart' AND "fastest_lap" = 'carlos pace'