Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE airports (apid VARCHAR, name VARCHAR)
TABLE: CREATE TABLE routes (dst_apid VARCHAR)

### Question ###
Find the number of routes that have destination John F Kennedy International Airport.

### Accurate SQL ###

SELECT COUNT(*) FROM airports AS T1 JOIN routes AS T2 ON T1.apid = T2.dst_apid WHERE T1.name = 'John F Kennedy International Airport'