Which Post Town has a Dialcode of 020 and is located in Hook?
CREATE TABLE "see_also" (
  "location" text,
  "londonborough" text,
  "post_town" text,
  "postcodedistrict" text,
  "dialcode" text
);
SELECT "post_town" FROM "see_also" WHERE "dialcode"='020' AND "location"='hook';