Which stage has a Winner of lucien van impe?
CREATE TABLE table_name_19 (stage VARCHAR, winner VARCHAR)
SELECT stage FROM table_name_19 WHERE winner = "lucien van impe"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_19 (stage VARCHAR, winner VARCHAR) Question: Which stage has a Winner of lucien van impe? [/INST] SELECT stage FROM table_name_19 WHERE winner = "lucien van impe" </s>