user: Question: Name the visitor for October 19
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['October 11', 'Philadelphia', '1 – 5', 'California', 'Parent', 6886.0, '0–1–0']
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Date" = 'October 19';