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

Question: What was the format for catalog 660-51-015?
SQL: SELECT "format" FROM "release_history" WHERE "catalog"='660-51-015';

Question: Which region had the year May 1974?
SQL: SELECT "region" FROM "release_history" WHERE "year"='may 1974';

Question: Which region had a year March 10, 1998?
SQL: SELECT "region" FROM "release_history" WHERE "year"='march 10, 1998';