what is the number of enrollment of the central institution?
CREATE TABLE table_20887670_1 (enrollment VARCHAR, institution VARCHAR)
SELECT enrollment FROM table_20887670_1 WHERE institution = "Central"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_20887670_1 (enrollment VARCHAR, institution VARCHAR) Question: what is the number of enrollment of the central institution? [/INST] SELECT enrollment FROM table_20887670_1 WHERE institution = "Central" </s>