What is the minimum stage where Sergei Smetanine won?
CREATE TABLE table_15088557_1 (stage INTEGER, winner VARCHAR)
SELECT MIN(stage) FROM table_15088557_1 WHERE winner = "Sergei Smetanine"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15088557_1 (stage INTEGER, winner VARCHAR) Question: What is the minimum stage where Sergei Smetanine won? [/INST] SELECT MIN(stage) FROM table_15088557_1 WHERE winner = "Sergei Smetanine" </s>