What is the average Enrollment of Dickinson College?
CREATE TABLE table_50250 (
    "Institution" text,
    "Location" text,
    "Nickname" text,
    "Enrollment" real,
    "Established" real
)
SELECT AVG("Enrollment") FROM table_50250 WHERE "Institution" = 'dickinson college'
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: What is the average Enrollment of Dickinson College? ### Input: CREATE TABLE table_50250 (
    "Institution" text,
    "Location" text,
    "Nickname" text,
    "Enrollment" real,
    "Established" real
) ### Response: SELECT AVG("Enrollment") FROM table_50250 WHERE "Institution" = 'dickinson college'