Private/Catholic school's minimum enrollment is?
CREATE TABLE table_16403890_1 (
    enrollment INTEGER,
    affiliation VARCHAR
)
SELECT MIN(enrollment) FROM table_16403890_1 WHERE affiliation = "Private/Catholic"
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: Private/Catholic school's minimum enrollment is? ### Input: CREATE TABLE table_16403890_1 (
    enrollment INTEGER,
    affiliation VARCHAR
) ### Response: SELECT MIN(enrollment) FROM table_16403890_1 WHERE affiliation = "Private/Catholic"