CREATE TABLE "saturday_and_sundays_programming_as_of_s" (
  "time" text,
  "show_name" text,
  "local_networked" text,
  "ad_freq" text,
  "news_freq" text
);

Question: Which time has a local/networked value of Local, ad frequency of every 20 minutes, and news frequency of n/a after 7PM news?
SQL: SELECT "time" FROM "saturday_and_sundays_programming_as_of_s" WHERE "local_networked"='local' AND "ad_freq"='20 minutes' AND "news_freq"='n/a after 7pm news';

Question: Which time has a news frequency of 1 hour and show name of Best Mix Overnight?
SQL: SELECT "time" FROM "saturday_and_sundays_programming_as_of_s" WHERE "news_freq"='1 hour' AND "show_name"='best mix overnight';

Question: What is the ad frequency for the show named Health Matters?
SQL: SELECT "ad_freq" FROM "saturday_and_sundays_programming_as_of_s" WHERE "show_name"='health matters';

Question: What is the news frequency for the show Locker Room?
SQL: SELECT "news_freq" FROM "saturday_and_sundays_programming_as_of_s" WHERE "show_name"='locker room';

Question: What is the local/networked value for the show with an ad frequency of N/A?
SQL: SELECT "local_networked" FROM "saturday_and_sundays_programming_as_of_s" WHERE "ad_freq"='n/a';