user: Question: Name the date of appointment for Ascoli
Columns: ['Team', 'Outgoing manager', 'Manner of departure', 'Date of vacancy', 'Replaced by', 'Date of appointment']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Rimini', 'Leonardo Acori', 'Mutual consent', '1 Cannot handle non-empty timestamp argument! 2008', 'Elvio Selighini', '3 Cannot handle non-empty timestamp argument! 2008']
SQL:

assistant: SELECT "Date of appointment" FROM "Table" WHERE "Team" = 'Ascoli';