What is the date of the poll with Silbert at 18%?
CREATE TABLE table_name_53 (date VARCHAR, silbert VARCHAR)
SELECT date FROM table_name_53 WHERE silbert = "18%"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_53 (date VARCHAR, silbert VARCHAR) Question: What is the date of the poll with Silbert at 18%? [/INST] SELECT date FROM table_name_53 WHERE silbert = "18%" </s>