How many winning constructor catagories are there when Mark Webber had the fastest lap? 
CREATE TABLE "grands_prix" (
  "rd" real,
  "grand_prix" text,
  "pole_position" text,
  "fastest_lap" text,
  "winning_driver" text,
  "winning_constructor" text,
  "report" text
);
SELECT COUNT("winning_constructor") FROM "grands_prix" WHERE "fastest_lap"='Mark Webber';