Which time has a news frequency of 1 hour and show name of Best Mix Overnight?
CREATE TABLE "saturday_and_sundays_programming_as_of_s" (
  "time" text,
  "show_name" text,
  "local_networked" text,
  "ad_freq" text,
  "news_freq" text
);
SELECT "time" FROM "saturday_and_sundays_programming_as_of_s" WHERE "news_freq"='1 hour' AND "show_name"='best mix overnight';