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 (tournament VARCHAR, winning_score VARCHAR)
### Question:
In what tournament was the winning score –10 (68-71-69-70=278)?
### Answer:
SELECT tournament FROM table_name_21 WHERE winning_score = –10(68 - 71 - 69 - 70 = 278)