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_18862490_2 (year INTEGER, score VARCHAR)
### Question:
What is the first yar that someone won with a score of 68-66-68-71=273?
### Answer:
SELECT MIN(year) FROM table_18862490_2 WHERE score = 68 - 66 - 68 - 71 = 273