What is the modified torque (lb/ft) when the standard hp n/a?
CREATE TABLE table_19704392_1 (
    modified_torque__lb_ft_ VARCHAR,
    standard_hp VARCHAR
)
SELECT COUNT(modified_torque__lb_ft_) FROM table_19704392_1 WHERE standard_hp = "n/a"
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 modified torque (lb/ft) when the standard hp n/a? ### Input: CREATE TABLE table_19704392_1 (
    modified_torque__lb_ft_ VARCHAR,
    standard_hp VARCHAR
) ### Response: SELECT COUNT(modified_torque__lb_ft_) FROM table_19704392_1 WHERE standard_hp = "n/a"