How many routes end in a Canadian airport?
SELECT count(*) FROM airports AS T1 JOIN routes AS T2 ON T1.apid  =  T2.dst_apid WHERE country  =  'Canada'
SELECT count(*) FROM airports AS T1 JOIN routes AS T2 ON T1.apid  =  T2.dst_apid WHERE country  =  'Canada'
[{'count(*)': 1847}]