Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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?

### Accurate SQL ###

SELECT COUNT(lane) FROM table_name_16 WHERE country = "united states" AND mark = "6.62" AND heat > 8