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_50 (opponent VARCHAR, date VARCHAR, score VARCHAR)
### Question:
Name the opponent for jul 31 and score of w 5-1
### Answer:
SELECT opponent FROM table_name_50 WHERE date = "jul 31" AND score = "w 5-1"