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_26267607_2 (date VARCHAR, circuit VARCHAR, winning_team VARCHAR, pole_position VARCHAR)
  ### Question:
  On what date is the winning team Abt Sportsline and pole position Mattias Ekström in the Circuit Ricardo Tormo , Valencia?
  ### Answer:
  SELECT date FROM table_26267607_2 WHERE winning_team = "Abt Sportsline" AND pole_position = "Mattias Ekström" AND circuit = "circuit Ricardo Tormo , Valencia"