What is the sum of Seasons, when the Team is Penske Racing, and when the Date is October 3?
CREATE TABLE "winners" (
  "season" real,
  "date" text,
  "location" text,
  "driver" text,
  "chassis" text,
  "engine" text,
  "team" text
);
SELECT SUM("season") FROM "winners" WHERE "team"='penske racing' AND "date"='october 3';