What is the Equatorial bulge of the Body: Earth?
CREATE TABLE "other_celestial_bodies" (
  "body" text,
  "equatorial_diameter" text,
  "polar_diameter" text,
  "equatorial_bulge" text,
  "flattening_ratio" text
);
SELECT "equatorial_bulge" FROM "other_celestial_bodies" WHERE "body"='earth';