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_1615980_4 (tournament VARCHAR, winning_score VARCHAR)
### Question:
In what tournament was the winning score 68-67-65-66=266?
### Answer:
SELECT tournament FROM table_1615980_4 WHERE winning_score = 68 - 67 - 65 - 66 = 266