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 (lane VARCHAR, heat VARCHAR, country VARCHAR, mark VARCHAR)
### Question:
What is the total lane number for the United States when the mark is 6.62 and the heat is greater than 8?
### Answer:
SELECT COUNT(lane) FROM table_name_16 WHERE country = "united states" AND mark = "6.62" AND heat > 8