What is the total number of Weight(s), when Block is 300?
CREATE TABLE table_7544 (
    "Name" text,
    "Date of Birth" text,
    "Height" real,
    "Weight" real,
    "Spike" real,
    "Block" real
)
SELECT COUNT("Weight") FROM table_7544 WHERE "Block" = '300'
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 total number of Weight(s), when Block is 300? ### Input: CREATE TABLE table_7544 (
    "Name" text,
    "Date of Birth" text,
    "Height" real,
    "Weight" real,
    "Spike" real,
    "Block" real
) ### Response: SELECT COUNT("Weight") FROM table_7544 WHERE "Block" = '300'