user: Question: Who wrote the title with the production code is 7ACX08?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [127.0, 1.0, '" Road to the Multiverse "', 'Greg Colton', 'Wellesley Wild', 'September27,2009', '7ACX06', '10.17']
SQL:

assistant: SELECT "Written by" FROM "Table" WHERE "Production code" = '7ACX08';