What was the stage when the winner was luis león sánchez?
CREATE TABLE table_25580292_13 (stage VARCHAR, winner VARCHAR)
SELECT stage FROM table_25580292_13 WHERE winner = "Luis León Sánchez"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25580292_13 (stage VARCHAR, winner VARCHAR) Question: What was the stage when the winner was luis león sánchez? [/INST] SELECT stage FROM table_25580292_13 WHERE winner = "Luis León Sánchez" </s>