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_99 (overall INTEGER, college VARCHAR, round VARCHAR)
### Question:
What is the total number of overall figures when duke was the college and the round was higher than 7?
### Answer:
SELECT SUM(overall) FROM table_name_99 WHERE college = "duke" AND round > 7