In which year did John Force win Funny Car and Mike Dunn win in Top Fuel?
CREATE TABLE "winners" (
  "year" real,
  "top_fuel" text,
  "funny_car" text,
  "pro_stock" text,
  "pro_stock_motorcycle" text
);
SELECT "year" FROM "winners" WHERE "funny_car"='john force' AND "top_fuel"='mike dunn';