user: Question: What was the date of appointment for the 10th person in position?
Columns: ['Team', 'Outgoing manager(s)', 'Manner of departure', 'Date of vacancy', 'Position in table', 'Replaced by', 'Date of appointment']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Eintracht Frankfurt', 'Friedhelm Funkel', 'Resigned', '21 May 2009', 'off-season', 'Michael Skibbe', '1 July 2009']
SQL:

assistant: SELECT "Date of appointment" FROM "Table" WHERE "Position in table" = '10th';