user: Question: Who wrote the episode with the production code 2J5153?
Columns: ['Series #', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (million)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '"Pilot"', 'Simon West', 'Jonathan E. Steinberg', 'January15,2010 ( CTV )', '296758', '10.12']
SQL:

assistant: SELECT "Written by" FROM "Table" WHERE "Production code" = '2J5153';