Name the drivers for chassis of season cancelled
CREATE TABLE "summary" (
  "season" text,
  "chassis" text,
  "engine" text,
  "tyres" text,
  "rounds" text,
  "teams" text,
  "drivers" text,
  "champion_points" text,
  "second_points" text,
  "third_points" text
);
SELECT "drivers" FROM "summary" WHERE "chassis"='season cancelled';