user: Question: What is the story code of the story published on 2002-12?
Columns: ['Date', 'Pages', 'Hero', 'Story', 'Story code']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1987-07', '26', 'Scrooge McDuck', 'Don Rosa', 'AR 102']
SQL:

assistant: SELECT "Story code" FROM "Table" WHERE "Date" = '2002-12';