What is School, when Year is less than 2013, and when Event is "100 Breaststroke"?
CREATE TABLE "records" (
  "event" text,
  "time" text,
  "swimmer" text,
  "school" text,
  "year" real
);
SELECT "school" FROM "records" WHERE "year"<2013 AND "event"='100 breaststroke';