What is the lowest land in sq mi with a longitude of -99.172785 and less than 0.973 sq mi of water?
CREATE TABLE "g" (
  "township" text,
  "county" text,
  "pop_2010" real,
  "land_sqmi" real,
  "water_sqmi" real,
  "latitude" real,
  "longitude" real,
  "geo_id" real,
  "ansi_code" real
);
SELECT MIN("land_sqmi") FROM "g" WHERE "longitude"=-99.172785 AND "water_sqmi"<0.973;