How many tree species are listed when the total plant species is 258?
CREATE TABLE table_16577990_1 (tree_species VARCHAR, total_plant_species VARCHAR)
SELECT tree_species FROM table_16577990_1 WHERE total_plant_species = 258
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_16577990_1 (tree_species VARCHAR, total_plant_species VARCHAR) Question: How many tree species are listed when the total plant species is 258? [/INST] SELECT tree_species FROM table_16577990_1 WHERE total_plant_species = 258 </s>