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_28744929_1 (acc_football_titles VARCHAR, nickname VARCHAR)
### Question:
how many acc football titles have been won by the institution nicknamed tar heels?
### Answer:
SELECT acc_football_titles FROM table_28744929_1 WHERE nickname = "Tar Heels"