user: Question: What is the date of the game with Pittsburgh as the home team and Boston as the visitor team?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Record', 'Points']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['December 2', 'Chicago', '2–3', 'Pittsburgh', '13–10–2', 28.0]
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Home" = 'Pittsburgh' AND "Visitor" = 'Boston';