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_25213146_2 (date VARCHAR, winning_team VARCHAR)
  ### Question:
  On what date(s) was the winning team Prema Powerteam?
  ### Answer:
  SELECT date FROM table_25213146_2 WHERE winning_team = "Prema Powerteam"