What is the number of GEO IDs for areas in Riggin township with water area over 0.587 sq mi and ANSI codes over 1759257?
CREATE TABLE "r" (
  "township" text,
  "county" text,
  "pop_2010" real,
  "land_sqmi" real,
  "water_sqmi" real,
  "latitude" real,
  "longitude" real,
  "geo_id" real,
  "ansi_code" real
);
SELECT COUNT("geo_id") FROM "r" WHERE "water_sqmi">0.587 AND "township"='riggin' AND "ansi_code">1759257;