How many descriptions are there when the attribute is 'ondragstart'?
CREATE TABLE table_1507852_1 (
    description VARCHAR,
    attribute VARCHAR
)
SELECT COUNT(description) FROM table_1507852_1 WHERE attribute = "ondragstart"
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: How many descriptions are there when the attribute is 'ondragstart'? ### Input: CREATE TABLE table_1507852_1 (
    description VARCHAR,
    attribute VARCHAR
) ### Response: SELECT COUNT(description) FROM table_1507852_1 WHERE attribute = "ondragstart"