user: Question: Name the visitor for March 23
Columns: ['#', 'Date', 'Visitor', 'Score', 'Arena Attendance', 'High Points', 'High Rebounds', 'High Assists', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [60.0, 'March 2', '@ LA Lakers', 'L 99-122', 'Staples Center 18,997', 'T. Murphy (17)', 'T. Murphy (13)', 'E. Watson (10)', '20-40']
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Date" = 'March 23';