What is the listing for the US Open in 1977?
CREATE TABLE table_name_12 (tournament VARCHAR)
SELECT 1977 FROM table_name_12 WHERE tournament = "us open"
### Context: CREATE TABLE table_name_12 (tournament VARCHAR) ### Question: What is the listing for the US Open in 1977? ### Answer: SELECT 1977 FROM table_name_12 WHERE tournament = "us open"