Table: tv_episode_data_56
Columns: episode
broadcast_date
run_time
viewers_in_millions
archive

Question: How many episodes ran 24:33?
SQL: SELECT COUNT("episode") FROM tv_episode_data_56 WHERE "run_time" = '24:33'

Question: On broadcast date is 25april1970, how many people tuned in?
SQL: SELECT "viewers_in_millions" FROM tv_episode_data_56 WHERE "broadcast_date" = '25April1970'

Question: On broadcast date is 28march1970, how many people tuned in?
SQL: SELECT "viewers_in_millions" FROM tv_episode_data_56 WHERE "broadcast_date" = '28March1970'

Question: On broadcast date is 21march1970, how many people tuned in?
SQL: SELECT COUNT("viewers_in_millions") FROM tv_episode_data_56 WHERE "broadcast_date" = '21March1970'

Question: What is the archive of the show that aired on 18april1970?
SQL: SELECT "archive" FROM tv_episode_data_56 WHERE "broadcast_date" = '18April1970'