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_21034801_1 (opponent VARCHAR, record VARCHAR)
### Question:
How many opponents led to an exactly 7-0 record?
### Answer:
SELECT COUNT(opponent) FROM table_21034801_1 WHERE record = "7-0"