Table: japanese_tv_dramas_2006_3
Columns: japanese_title
romaji_title
tv_station
episodes
average_ratings

Question: what is the most episodes when the average ratings is 18.8%?
SQL: SELECT MAX("episodes") FROM japanese_tv_dramas_2006_3 WHERE "average_ratings" = '18.8%'

Question: How many episodes when the tv station is ntv and the japanese title is たったひとつの恋?
SQL: SELECT "episodes" FROM japanese_tv_dramas_2006_3 WHERE "tv_station" = 'ntv' AND "japanese_title" = 'たったひとつの恋'

Question: what is the tv station when the romaji title is kazoku~tsuma no fuzai・otto no sonzai~?
SQL: SELECT "tv_station" FROM japanese_tv_dramas_2006_3 WHERE "romaji_title" = 'kazoku~tsuma no fuzai・otto no sonzai~'

Question: what is the tv station when the average ratings is 19.5%?
SQL: SELECT "tv_station" FROM japanese_tv_dramas_2006_3 WHERE "average_ratings" = '19.5%'