Find the total number of instructors who teach a course in the Spring 2010 semester.
CREATE TABLE teaches (
    ID VARCHAR,
    semester VARCHAR,
    YEAR VARCHAR
)
SELECT COUNT(DISTINCT ID) FROM teaches WHERE semester = 'Spring' AND YEAR = 2010
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Find the total number of instructors who teach a course in the Spring 2010 semester. ### Input: CREATE TABLE teaches (
    ID VARCHAR,
    semester VARCHAR,
    YEAR VARCHAR
) ### Response: SELECT COUNT(DISTINCT ID) FROM teaches WHERE semester = 'Spring' AND YEAR = 2010