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_6 (margin_of_victory VARCHAR, winning_score VARCHAR)
### Question:
What was the margin of victory when the winning score was –10 (70-72-68-68=278)?
### Answer:
SELECT margin_of_victory FROM table_name_6 WHERE winning_score = –10(70 - 72 - 68 - 68 = 278)