user: Question: Who was the visitor for the April 17 game?
Columns: ['Game', 'Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Series']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, 'April 7', 'Nashville', '1 – 3', 'Detroit', 'Legace', 20066.0, '1 – 0']
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Date" = 'April 17';