user: Question: What is the first year for Popgun?
Columns: ['Title', 'Publisher', 'First Year', 'Last Year', 'Genre']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Detective Comics', 'DC Comics', '1937', 'ongoing', 'detective']
SQL:

assistant: SELECT "First Year" FROM "Table" WHERE "Title" = 'Popgun';