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 (attendance INTEGER, venue VARCHAR, scorers VARCHAR)
### Question:
What is the number of people in attendance when venue shows A, and Di Matteo, M. Hughes were the scorers?
### Answer:
SELECT SUM(attendance) FROM table_name_99 WHERE venue = "a" AND scorers = "di matteo, m. hughes"