<|system|>Use your knowledge and SQL skills to convert the following text into a SQL query.
Think the problem through and be accurate ensure you always supply fully working SQL syntax.

SQL Statments should be wrapped in <codestart type="sql"> and </codeend> tags.

Example output:
<codestart type="sql">SELECT * FROM table_name;</codeend>
<codestart type="sql">SELECT column_name FROM table_name WHERE column_name = 'value';</codeend><|end|><|user|>Find the number of different airports which are the destinations of the American Airlines.

SQL Table Create Statement:
CREATE TABLE routes (alid VARCHAR); CREATE TABLE airlines (alid VARCHAR, name VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT COUNT(DISTINCT dst_apid) FROM airlines AS T1 JOIN routes AS T2 ON T1.alid = T2.alid WHERE T1.name = 'American Airlines'</codeend><|end|>