user: Question: What is the date of the Cleveland home game with a 20-8 record?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Leading scorer', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['December 1', 'Cleveland', '93-87', 'Milwaukee', 'Mark Price , 17 points', 'Bradley Center 13,648', '9-5']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Home" = 'Cleveland' AND "Record" = '20-8';