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_21584646_10 (week_of VARCHAR, champion VARCHAR)
  ### Question:
  How many weeks are shown for the champion of john mcenroe 6–2, 6–3?
  ### Answer:
  SELECT COUNT(week_of) FROM table_21584646_10 WHERE champion = "John McEnroe 6–2, 6–3"