What's the capacity that has the highest greater than 1,763 and is at Hampden Park?
CREATE TABLE "attendances" (
  "team" text,
  "stadium" text,
  "capacity" real,
  "highest" real,
  "lowest" real,
  "average" real
);
SELECT MIN("capacity") FROM "attendances" WHERE "stadium"='hampden park' AND "highest">'1,763';