user: Question: WHich Tournament venue has a Tournament Champion of Duke and a Record of 15–1?
Columns: ['Year', 'Regular Season Champion(s)', 'Record', 'Tournament Champion', 'Tournament venue', 'Tournament city']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1921–22', 'Virginia', '5–0', 'North Carolina', 'Municipal Auditorium', 'Atlanta , Georgia']
SQL:

assistant: SELECT "Tournament venue" FROM "Table" WHERE "Tournament Champion" = 'Duke' AND "Record" = '15–1';