Which Church has 27 stops?
CREATE TABLE "ahrend_brunzema_1954_1971" (
  "year" text,
  "opus" real,
  "town" text,
  "church" text,
  "kind" text,
  "manuals" text,
  "stops" text
);
SELECT "church" FROM "ahrend_brunzema_1954_1971" WHERE "stops"='27';