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 (to_par VARCHAR, country VARCHAR, place VARCHAR, score VARCHAR)
### Question:
What is the to par of the player from the United States with a place of t1 and a 76-68=144 score?
### Answer:
SELECT to_par FROM table_name_50 WHERE country = "united states" AND place = "t1" AND score = 76 - 68 = 144