From which party is the incumbent who was first elected to office in 1990?
CREATE TABLE table_name_8 (party VARCHAR, first_elected VARCHAR)
SELECT party FROM table_name_8 WHERE first_elected = 1990
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_8 (party VARCHAR, first_elected VARCHAR) Question: From which party is the incumbent who was first elected to office in 1990? [/INST] SELECT party FROM table_name_8 WHERE first_elected = 1990 </s>