What catalogno was in 1971 and had a remark of #27 us?
CREATE TABLE "studio_albums" (
  "year" real,
  "title" text,
  "format" text,
  "label" text,
  "catalogno" text,
  "remark" text
);
SELECT "catalogno" FROM "studio_albums" WHERE "year"=1971 AND "remark"='#27 us';