What is the number of chapters listed for the fraternity with a headquarters in Austin, Texas?
CREATE TABLE "members" (
  "member" text,
  "headquarters" text,
  "classification" text,
  "chapters" real,
  "founded" text,
  "uccfs" real
);
SELECT MAX("chapters") FROM "members" WHERE "classification"='Fraternity' AND "headquarters"='Austin, Texas';