What is the volume when the resrvoir is Tanes?
CREATE TABLE "see_also" (
  "reservoir" text,
  "basin" text,
  "location" text,
  "type" text,
  "height_m" text,
  "length_along_the_top_m" text,
  "drainage_basin_km" text,
  "reservoir_surface_ha" text,
  "volume_hm" text
);
SELECT "volume_hm" FROM "see_also" WHERE "reservoir"='Tanes';