user: Question: Who wrote the episode that was directed by Milan Cheylov?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [49.0, 1.0, '" My Bad "', 'Steve Shill', 'Chip Johannessen', 'September26,2010', '1.77']
SQL:

assistant: SELECT "Written by" FROM "Table" WHERE "Directed by" = 'Milan Cheylov';