what is the average silver when the total is more than 20?
CREATE TABLE table_name_66 (silver INTEGER, total INTEGER)
SELECT AVG(silver) FROM table_name_66 WHERE total > 20
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_66 (silver INTEGER, total INTEGER) Question: what is the average silver when the total is more than 20? [/INST] SELECT AVG(silver) FROM table_name_66 WHERE total > 20 </s>