What is the smallest number of silvers associated with bronzes under 20, totals of 1, golds of 0, and in Water Polo?
CREATE TABLE table_name_90 (silver INTEGER, gold VARCHAR, sport VARCHAR, bronze VARCHAR, total VARCHAR)
SELECT MIN(silver) FROM table_name_90 WHERE bronze < 20 AND total = 1 AND sport = "water polo" AND gold < 0
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_90 (silver INTEGER, gold VARCHAR, sport VARCHAR, bronze VARCHAR, total VARCHAR) Question: What is the smallest number of silvers associated with bronzes under 20, totals of 1, golds of 0, and in Water Polo? [/INST] SELECT MIN(silver) FROM table_name_90 WHERE bronze < 20 AND total = 1 AND sport = "water polo" AND gold < 0 </s>