What's the total of Water (sqmi) with a Land (sqmi) of 35.918 and has a Longitude that is smaller than -97.115459?
CREATE TABLE "d" (
  "township" text,
  "county" text,
  "pop_2010" real,
  "land_sqmi" real,
  "water_sqmi" real,
  "latitude" real,
  "longitude" real,
  "geo_id" real,
  "ansi_code" real
);
SELECT SUM("water_sqmi") FROM "d" WHERE "land_sqmi"=35.918 AND "longitude"<-97.115459;