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_81 (country VARCHAR, place VARCHAR, score VARCHAR)
### Question:
What country was the player from who placed t3 with a score of 70-68=138?
### Answer:
SELECT country FROM table_name_81 WHERE place = "t3" AND score = 70 - 68 = 138