Which City has a Country of spain, and a Stadium of palacio de deportes de santander?
CREATE TABLE "davis_cup_and_federation_cup_venues" (
  "rank" real,
  "stadium" text,
  "capacity" real,
  "city" text,
  "country" text
);
SELECT "city" FROM "davis_cup_and_federation_cup_venues" WHERE "country"='spain' AND "stadium"='palacio de deportes de santander';