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_27833186_1 (rider_names VARCHAR, horse_name VARCHAR)
  ### Question:
  How many different riders are there that won riding Omr Tsunami?
  ### Answer:
  SELECT COUNT(rider_names) FROM table_27833186_1 WHERE horse_name = "OMR Tsunami"