How many hometowns are there when Charis Prep was the previous school?
CREATE TABLE table_29970488_2 (hometown VARCHAR, previous_school VARCHAR)
SELECT COUNT(hometown) FROM table_29970488_2 WHERE previous_school = "Charis Prep"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29970488_2 (hometown VARCHAR, previous_school VARCHAR) Question: How many hometowns are there when Charis Prep was the previous school? [/INST] SELECT COUNT(hometown) FROM table_29970488_2 WHERE previous_school = "Charis Prep" </s>