<|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|>What are the code and description of the most frequent behavior incident type?

SQL Table Create Statement:
CREATE TABLE Ref_Incident_Type (incident_type_description VARCHAR, incident_type_code VARCHAR); CREATE TABLE Behavior_Incident (incident_type_code VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT T1.incident_type_code, T2.incident_type_description FROM Behavior_Incident AS T1 JOIN Ref_Incident_Type AS T2 ON T1.incident_type_code = T2.incident_type_code GROUP BY T1.incident_type_code ORDER BY COUNT(*) DESC LIMIT 1</codeend><|end|>