What year was number 7 built?
CREATE TABLE table_1015421_1 (year_built VARCHAR, no_built VARCHAR)
SELECT year_built FROM table_1015421_1 WHERE no_built = 7
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1015421_1 (year_built VARCHAR, no_built VARCHAR) Question: What year was number 7 built? [/INST] SELECT year_built FROM table_1015421_1 WHERE no_built = 7 </s>