user: Question: Who wrote the episode with production code 2ACX12?
Columns: ['# (season #)', 'No. (episode #)', 'Title', 'Directed by', 'Written by', 'Original air date', 'Prod. code']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1 ( 2 )', '20 (13)', '" Road to Rhode Island "', 'Dan Povenmire', 'Gary Janetti', 'May30,2000', '2ACX12']
SQL:

assistant: SELECT "Written by" FROM "Table" WHERE "Prod. code" = '2ACX12';