Table: episodes_table_20
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_millions

Question: What is the season number of the episode seen by 10.11 million people in the US?
SQL: SELECT "no_in_season" FROM episodes_table_20 WHERE "u_s_viewers_millions" = '10.11'

Question: How many different series number does the episode titled "Skate or Die" have?
SQL: SELECT COUNT("no_in_series") FROM episodes_table_20 WHERE "title" = '"Skate or Die"'

Question: What's the series number of the episode titled "Rapture"?
SQL: SELECT "no_in_series" FROM episodes_table_20 WHERE "title" = '"Rapture"'

Question: How many episodes with different series numbers were seen by 8.69 people in the US?
SQL: SELECT COUNT("no_in_season") FROM episodes_table_20 WHERE "u_s_viewers_millions" = '8.69'