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
### Context: CREATE TABLE table_1818471_1 (species VARCHAR, afinsa VARCHAR) ### Question: What is every species when Afinsa is 639? ### Answer: SELECT species FROM table_1818471_1 WHERE afinsa = 639