what is the round when the college is north carolina and the overall is more than 124?
CREATE TABLE table_46491 (
    "Round" real,
    "Pick" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
)
SELECT SUM("Round") FROM table_46491 WHERE "College" = 'north carolina' AND "Overall" > '124'
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 round when the college is north carolina and the overall is more than 124? ### Input: CREATE TABLE table_46491 (
    "Round" real,
    "Pick" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
) ### Response: SELECT SUM("Round") FROM table_46491 WHERE "College" = 'north carolina' AND "Overall" > '124'