What is the song title on the Pacific Jazz label, and a Label-Nr of st-20124?
CREATE TABLE "albums_as" (
  "year" real,
  "title" text,
  "type" text,
  "label" text,
  "label_nr" text
);
SELECT "title" FROM "albums_as" WHERE "label"='pacific jazz' AND "label_nr"='st-20124';