user: Question: How many people can be seated on the aircraft that was introduced in 2008 and has notes of In service?
Columns: ['Aircraft', 'Introduced', 'Retired', 'Seating', 'Notes']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Airbus A319-100', 2004.0, '—', '156', 'In service']
SQL:

assistant: SELECT "Seating" FROM "Table" WHERE "Notes" = 'In service' AND "Introduced" = 2008.0;