Which countries do not have a stadium that was opened after 2006?
CREATE TABLE stadium (country VARCHAR, opening_year INTEGER)
SELECT country FROM stadium EXCEPT SELECT country FROM stadium WHERE opening_year > 2006
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE stadium (country VARCHAR, opening_year INTEGER) Question: Which countries do not have a stadium that was opened after 2006? [/INST] SELECT country FROM stadium EXCEPT SELECT country FROM stadium WHERE opening_year > 2006 </s>