user: Question: What was the date of appointment for Javier Aguirre's replacement?
Columns: ['Team', 'Outgoing manager', 'Manner of departure', 'Date of vacancy', 'Replaced by', 'Date of appointment', 'Position in table']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Recreativo', 'Manolo Zambrano', 'Sacked', '7 October 2008', 'Lucas Alcaraz', '7 October 2008', '18th']
SQL:

assistant: SELECT "Date of appointment" FROM "Table" WHERE "Outgoing manager" = 'Javier Aguirre';