user: Question: What is the site when the superintendent was John Barry?
Columns: ['Ship', 'Site', 'Guns', 'Naval constructor', 'Superintendent']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Chesapeake', 'Gosport, Virginia', 44.0, 'Josiah Fox', 'Richard Dale']
SQL:

assistant: SELECT "Site" FROM "Table" WHERE "Superintendent" = 'John Barry';