What is the ANSI code of the township where the area is 35.737 square miles?
CREATE TABLE "r" (
  "township" text,
  "county" text,
  "pop_2010" real,
  "land_sqmi" text,
  "water_sqmi" text,
  "latitude" text,
  "longitude" text,
  "geo_id" real,
  "ansi_code" real
);
SELECT MIN("ansi_code") FROM "r" WHERE "land_sqmi"='35.737';