What total number of Overalls has a round that was smaller than 1?
CREATE TABLE table_4715 (
    "Round" real,
    "Overall" real,
    "Player" text,
    "Position" text,
    "School/Club Team" text
)
SELECT COUNT("Overall") FROM table_4715 WHERE "Round" < '1'
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 total number of Overalls has a round that was smaller than 1? ### Input: CREATE TABLE table_4715 (
    "Round" real,
    "Overall" real,
    "Player" text,
    "Position" text,
    "School/Club Team" text
) ### Response: SELECT COUNT("Overall") FROM table_4715 WHERE "Round" < '1'