Which Land (sqmi) has a GEO ID smaller than 3800587900?
CREATE TABLE "y" (
  "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 "y" WHERE "geo_id"<3800587900;