user: Question: Who was the visiting team on 12 March 2008?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Leading scorer', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1 March 2008', 'Spurs', '96–94', 'Bucks', 'Michael Redd (25)', '22–37']
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Date" = '12 March 2008';