user: ### NOW ANSWER:
Question: what is the most episodes when the average ratings is 18.8%?
Columns: ['Japanese Title', 'Romaji Title', 'TV Station', 'Episodes', 'Average Ratings']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['僕の歩く道', 'Boku no Aruku Michi', 'Fuji TV', 11.0, '18.2%']
SQL:

assistant: SELECT MAX("Episodes") FROM "Table" WHERE "Average Ratings" = '18.8%';