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_21 (rank VARCHAR, time VARCHAR)
### Question:
What is the Rank of the Athletes with a Time of 3:43.491?
### Answer:
SELECT COUNT(rank) FROM table_name_21 WHERE time = "3:43.491"