user: ### NOW ANSWER:
Question: How many teams played against the Mavericks in a game where the score was W 99–91 (OT)?
Columns: ['Game', 'Date', 'Team', 'Score', 'High points', 'High rebounds', 'High assists', 'Location Attendance', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [33.0, 'January 2', '@ Sacramento', 'W 99–91 (OT)', 'Dirk Nowitzki (25)', 'Drew Gooden (10)', 'Jason Kidd (7)', 'ARCO Center 14,294', '23-10']
SQL:

assistant: SELECT COUNT("Team") FROM "Table" WHERE "Score" = 'W 99–91 (OT)';