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_16 (matches_as_champion INTEGER, rank VARCHAR)
### Question:
Which Matches has champion Rank of 5?
### Answer:
SELECT MAX(matches_as_champion) FROM table_name_16 WHERE rank = 5