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_36 (rank INTEGER, notes VARCHAR, time VARCHAR)
### Question:
What is the rank of the athletes that have Notes of fb, and a Time of 6:47.30?
### Answer:
SELECT SUM(rank) FROM table_name_36 WHERE notes = "fb" AND time = "6:47.30"