user: Question: What is the total number of high points on January 21?
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', 'Houston', 'W 94–73 (OT)', 'Andrea Bargnani , Chris Bosh (19)', 'Anthony Parker , Jake Voskuhl (8)', 'Will Solomon (7)', 'Air Canada Centre 19,800', '13–20']
SQL:

assistant: SELECT COUNT("High points") FROM "Table" WHERE "Date" = 'January 21';