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_name_27 (winning_score VARCHAR, margin_of_victory VARCHAR, runner_s__up VARCHAR)
  ### Question:
  What is the winning score where the runner-up is Robert-Jan Derksen and the margin of victory is 1 stroke?
  ### Answer:
  SELECT winning_score FROM table_name_27 WHERE margin_of_victory = "1 stroke" AND runner_s__up = "robert-jan derksen"