At which event was Ken Schrader the Race Winner at the Toledo Speedway?
CREATE TABLE "schedule_and_results" (
  "date" text,
  "track" text,
  "event_name" text,
  "pole_winner" text,
  "race_winner" text
);
SELECT "event_name" FROM "schedule_and_results" WHERE "race_winner"='ken schrader' AND "track"='toledo speedway';