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

Question: What episode number in the series was "igo nuclear"?
SQL: SELECT "no_in_season" FROM episodes_data WHERE "title" = '"iGo Nuclear"'

Question: How many times was u.s. Viewers listed for episode 36 in the series?
SQL: SELECT COUNT("u_s_viewers_millions") FROM episodes_data WHERE "no_in_series" = '36'

Question: How many million U.s. Viewers watched episode 12 in the season?
SQL: SELECT "u_s_viewers_millions" FROM episodes_data WHERE "no_in_season" = '12'

Question: What day did the episode with a production code of 218 originally air?
SQL: SELECT "original_air_date" FROM episodes_data WHERE "production_code" = '218'

Question: How many episodes were listed as number 29 in the series?
SQL: SELECT COUNT("no_in_season") FROM episodes_data WHERE "no_in_series" = '29'