Which Region has a Label of rca, and a Catalog of 61298, and a Format of 7" single (first cover)?
CREATE TABLE "release_history" (
  "date" text,
  "label" text,
  "region" text,
  "format" text,
  "catalog" real
);
SELECT "region" FROM "release_history" WHERE "label"='rca' AND "catalog"=61298 AND "format"='7\" single (first cover)';