What Bello has a 27 Liscumb and 6539 Libweshya?
CREATE TABLE "results_by_ward" (
  "ward" text,
  "bello" text,
  "ben_tahir" text,
  "doucet" text,
  "furtenbacher" text,
  "gauthier" text,
  "haydon" text,
  "larter" text,
  "lawrance" text,
  "libweshya" text,
  "liscumb" text
);
SELECT "bello" FROM "results_by_ward" WHERE "liscumb"='27' AND "libweshya"='6539';