Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_16577990_1 (tree_species VARCHAR, central_forest_reserve VARCHAR)
### Question:
How many tree species are in the kitechura reserve?
### Answer:
SELECT tree_species FROM table_16577990_1 WHERE central_forest_reserve = "Kitechura"