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_72 (player VARCHAR, event VARCHAR, aces VARCHAR)
### Question:
How many players were in the event after 2011 with less than 9 aces?
### Answer:
SELECT COUNT(player) FROM table_name_72 WHERE event > 2011 AND NOT aces < 9