<|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|>During which stage was the Intergiro classification held by Miguel Indurain, the Points classification held by Mario Cipollini, and the Young rider classification held by Leonardo Sierra?

SQL Table Create Statement:
CREATE TABLE table_name_76 (stage VARCHAR, young_rider_classification VARCHAR, intergiro_classification VARCHAR, points_classification VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT stage FROM table_name_76 WHERE intergiro_classification = "miguel indurain" AND points_classification = "mario cipollini" AND young_rider_classification = "leonardo sierra"</codeend><|end|>