What is the average bike availablility for stations not in Palo Alto?
SELECT avg(bikes_available) FROM status WHERE station_id NOT IN (SELECT id FROM station WHERE city  =  "Palo Alto")
SELECT avg(bikes_available) FROM status WHERE station_id NOT IN (SELECT id FROM station WHERE city  =  "Palo Alto")
[{'avg(bikes_available)': 7.657901422764228}]