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_78 (matches INTEGER, average VARCHAR, rank VARCHAR)
### Question:
What is the number of matches with an average larger than 6.33, with a rank of 1?
### Answer:
SELECT SUM(matches) FROM table_name_78 WHERE average > 6.33 AND rank = 1