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_21 (attendance VARCHAR, loss VARCHAR)
### Question:
How many were in attendance with a loss of Prokopec (2-7)?
### Answer:
SELECT attendance FROM table_name_21 WHERE loss = "prokopec (2-7)"