what is the difference in enrollment numbers -lrb- total graduate and undergraduate -rrb- between the highest attend and lowest attended ivy league school ?
CREATE TABLE table_203_592 (
    id number,
    "institution" text,
    "location" text,
    "athletic nickname" text,
    "undergraduate enrollment" number,
    "graduate enrollment" number,
    "total enrollment" number,
    "2013 endowment\n(and us rank)" text,
    "academic staff" number,
    "motto" text
)
SELECT MAX("total enrollment") - MIN("total enrollment") FROM table_203_592
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 difference in enrollment numbers -lrb- total graduate and undergraduate -rrb- between the highest attend and lowest attended ivy league school ? ### Input: CREATE TABLE table_203_592 (
    id number,
    "institution" text,
    "location" text,
    "athletic nickname" text,
    "undergraduate enrollment" number,
    "graduate enrollment" number,
    "total enrollment" number,
    "2013 endowment\n(and us rank)" text,
    "academic staff" number,
    "motto" text
) ### Response: SELECT MAX("total enrollment") - MIN("total enrollment") FROM table_203_592