Who had the fastest lap when David Coulthard had pole position and Michael Schumacher as a winning driver.
CREATE TABLE "grands_prix" (
  "round" real,
  "grand_prix" text,
  "pole_position" text,
  "fastest_lap" text,
  "winning_driver" text,
  "winning_constructor" text,
  "report" text
);
SELECT "fastest_lap" FROM "grands_prix" WHERE "pole_position"='david coulthard' AND "winning_driver"='michael schumacher';