Private/Catholic school's minimum enrollment is?
CREATE TABLE table_20774 (
    "Institution" text,
    "Location" text,
    "Founded" real,
    "Affiliation" text,
    "Enrollment" real,
    "Team Nickname" text,
    "Primary conference" text,
    "Home Rink" text
)
SELECT MIN("Enrollment") FROM table_20774 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_20774 (
    "Institution" text,
    "Location" text,
    "Founded" real,
    "Affiliation" text,
    "Enrollment" real,
    "Team Nickname" text,
    "Primary conference" text,
    "Home Rink" text
) ### Response: SELECT MIN("Enrollment") FROM table_20774 WHERE "Affiliation" = 'Private/Catholic'