What Label is dated April 1986 in 7" single Format in France?
CREATE TABLE "release_history" (
  "date" text,
  "label" text,
  "region" text,
  "format" text,
  "catalog" text
);
SELECT "label" FROM "release_history" WHERE "region"='france' AND "format"='7\" single' AND "date"='april 1986';