user: Question: What is the attendance at the game where San Jose was the visitor on May 4?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['April 25', 'Dallas', '3 – 2 (OT)', 'San Jose', 'Turco', 17496.0]
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Visitor" = 'San Jose' AND "Date" = 'May 4';