How many years has Japan won silver?
CREATE TABLE table_name_4 (year INTEGER, silver VARCHAR)
SELECT SUM(year) FROM table_name_4 WHERE silver = "japan"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_4 (year INTEGER, silver VARCHAR) Question: How many years has Japan won silver? [/INST] SELECT SUM(year) FROM table_name_4 WHERE silver = "japan" </s>