user: Question: What is the code name of the person born in Liverpool?
Columns: ['Code Name', 'Function (figure)', 'Real Name', 'Birthplace', 'Serial number', 'Primary military speciality', 'Secondary military speciality']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['None', 'Attack Trooper', 'Not applicable', 'Not applicable', 'Various', 'Storm and siege', 'Shock attack']
SQL:

assistant: SELECT "Code Name" FROM "Table" WHERE "Birthplace" = 'Liverpool';