What is every species when Afinsa is 639?
CREATE TABLE table_1818471_1 (species VARCHAR, afinsa VARCHAR)
SELECT species FROM table_1818471_1 WHERE afinsa = 639
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1818471_1 (species VARCHAR, afinsa VARCHAR) Question: What is every species when Afinsa is 639? [/INST] SELECT species FROM table_1818471_1 WHERE afinsa = 639 </s>