CREATE TABLE "release_history" (
  "region" text,
  "date" text,
  "label" text,
  "format" text,
  "catalog" text
);

Question: Which Label was cataloged as alca-9013?
SQL: SELECT "label" FROM "release_history" WHERE "catalog"='alca-9013';

Question: Which Catalog was formated as a CD under the label Alfa Records?
SQL: SELECT "catalog" FROM "release_history" WHERE "label"='alfa records' AND "format"='cd';