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_29521180_35 (quarterfinals VARCHAR, athlete VARCHAR)
  ### Question:
  How many athletes were named federico muller?
  ### Answer:
  SELECT COUNT(quarterfinals) FROM table_29521180_35 WHERE athlete = "Federico Muller"