What is the local/networked value for the show with an ad frequency of N/A?
CREATE TABLE "saturday_and_sundays_programming_as_of_s" (
  "time" text,
  "show_name" text,
  "local_networked" text,
  "ad_freq" text,
  "news_freq" text
);
SELECT "local_networked" FROM "saturday_and_sundays_programming_as_of_s" WHERE "ad_freq"='n/a';