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 airlines ( alid VARCHAR, name VARCHAR )
TABLE: CREATE TABLE routes ( alid VARCHAR )

### Question ###
Find the number of different airports which are the destinations of the American Airlines.

### Accurate SQL ###

SELECT COUNT(DISTINCT dst_apid) FROM airlines AS T1 JOIN routes AS T2 ON T1.alid = T2.alid WHERE T1.name = 'American Airlines'