How many silver medals does Cuba have?
CREATE TABLE table_name_15 (silver INTEGER, nation VARCHAR)
SELECT SUM(silver) FROM table_name_15 WHERE nation = "cuba"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_15 (silver INTEGER, nation VARCHAR) Question: How many silver medals does Cuba have? [/INST] SELECT SUM(silver) FROM table_name_15 WHERE nation = "cuba" </s>