text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_15088557_1 (stage INTEGER, winner VARCHAR)
  ### Question:
  What is the minimum stage where Sergei Smetanine won?
  ### Answer:
  SELECT MIN(stage) FROM table_15088557_1 WHERE winner = "Sergei Smetanine"