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_name_48 (winner VARCHAR, home_team VARCHAR, year VARCHAR)
### Question:
who is the winner when the home team is sioux falls storm and the year is earlier than 2012?
### Answer:
SELECT winner FROM table_name_48 WHERE home_team = "sioux falls storm" AND year < 2012