Table: tv_episode_data_60
Columns: episode
broadcast_date
run_time
viewers_in_millions
archive

Question: Which archive has a run time of 23:48?
SQL: SELECT "archive" FROM tv_episode_data_60 WHERE "run_time" = '23:48'

Question: Which broadcast date has 6.8 million viewers?
SQL: SELECT "broadcast_date" FROM tv_episode_data_60 WHERE "viewers_in_millions" = '6.8'