How many capitals had brest litovsk voivodeship as voivodeship after 1569?
CREATE TABLE "table1_1784514_1" (
  "voivodeship_after_1569" text,
  "capital" text,
  "year_established" real,
  "number_of_powiats" text,
  "area_km_in_1590_lithuanian_category_articles_with_lithuanian_language_external_links" real
);
SELECT COUNT("capital") FROM "table1_1784514_1" WHERE "voivodeship_after_1569"='Brest Litovsk Voivodeship';