What's the total number of crew chiefs of the Fas Lane Racing team?
CREATE TABLE "full_time_teams" (
  "team" text,
  "car_s" text,
  "num" real,
  "driver_s" text,
  "primary_sponsor_s" text,
  "owner_s" text,
  "crew_chief" text
);
SELECT COUNT("crew_chief") FROM "full_time_teams" WHERE "team"='FAS Lane Racing';