<|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|>When thomas löfkvist is the  young rider classification and alessandro petacchi is the points classification who are the general classifications? 

SQL Table Create Statement:
CREATE TABLE table_18733814_2 (general_classification VARCHAR, points_classification VARCHAR, young_rider_classification VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT general_classification FROM table_18733814_2 WHERE points_classification = "Alessandro Petacchi" AND young_rider_classification = "Thomas Löfkvist"</codeend><|end|>