CREATE TABLE "on_singles" (
  "year" real,
  "artist" text,
  "single" text,
  "other_featured_guests" text,
  "format" text
);

Question: What artist had a single called Alien Rock b/w Combat, The Remix on 12 inch Vinyl format?
SQL: SELECT "artist" FROM "on_singles" WHERE "format"='12 inch vinyl' AND "single"='alien rock b/w combat, the remix';

Question: What single was written by the artist cap D?
SQL: SELECT "single" FROM "on_singles" WHERE "artist"='cap d';