Which is the category of the group was establishe in 1990?
CREATE TABLE table_name_8 (category VARCHAR, established VARCHAR)
SELECT category FROM table_name_8 WHERE established = 1990
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_8 (category VARCHAR, established VARCHAR) Question: Which is the category of the group was establishe in 1990? [/INST] SELECT category FROM table_name_8 WHERE established = 1990 </s>