user: Question: Who was the leading scorer when the visiting team was the Trail Blazers?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Leading scorer', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['November 2, 2007', 'Wizards', '103–83', 'Celtics', 'Gilbert Arenas (21)', 18624.0, '0–2']
SQL:

assistant: SELECT "Leading scorer" FROM "Table" WHERE "Visitor" = 'Trail Blazers';