What year was the most recent US Open championship?
CREATE TABLE table_1514559_1 (year INTEGER, championship VARCHAR)
SELECT MAX(year) FROM table_1514559_1 WHERE championship = "US Open"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1514559_1 (year INTEGER, championship VARCHAR) Question: What year was the most recent US Open championship? [/INST] SELECT MAX(year) FROM table_1514559_1 WHERE championship = "US Open" </s>