What is listed in Network station when the country is Brunei?
CREATE TABLE "table1_2879165_1" (
  "ioc_code" text,
  "country" text,
  "network_station" text,
  "television_station" text,
  "radio_station" text
);
SELECT COUNT("network_station") FROM "table1_2879165_1" WHERE "country"='Brunei';