What is the region for tv uskana?
CREATE TABLE "regional_free_to_air_dvb_t_television_ch" (
  "name" text,
  "region" text,
  "programming" text,
  "type" text,
  "encryption" text
);
SELECT "region" FROM "regional_free_to_air_dvb_t_television_ch" WHERE "name"='tv uskana';