user: Question: Who was the visitor when Phoenix was at home?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['December 1', 'Colorado', '5 – 2', 'Los Angeles', 'Theodore', 17297.0, '14–10–1']
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Home" = 'Phoenix';