user: Question: What is the product code for the episode titled "Kafelnikov"?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Prod. Code']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [24.0, 1.0, '"Special Powers"', 'Thomas Schlamme', 'Aaron Sorkin', 'October5,1999', '2-01']
SQL:

assistant: SELECT "Prod. Code" FROM "Table" WHERE "Title" = '"Kafelnikov"';