What is the shuttle time for the level where the speed is 15.5 km/h?
CREATE TABLE table_21782 (
    "Level" real,
    "Shuttles" real,
    "Cumulative Shuttles" real,
    "Speed (km/h)" text,
    "Shuttle Time (seconds)" text,
    "Total level time (s)" text,
    "Distance (m)" real,
    "Cumulative Distance (m)" real,
    "Cumulative Time (min and seconds)" text
)
SELECT "Shuttle Time (seconds)" FROM table_21782 WHERE "Speed (km/h)" = '15.5'
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 shuttle time for the level where the speed is 15.5 km/h? ### Input: CREATE TABLE table_21782 (
    "Level" real,
    "Shuttles" real,
    "Cumulative Shuttles" real,
    "Speed (km/h)" text,
    "Shuttle Time (seconds)" text,
    "Total level time (s)" text,
    "Distance (m)" real,
    "Cumulative Distance (m)" real,
    "Cumulative Time (min and seconds)" text
) ### Response: SELECT "Shuttle Time (seconds)" FROM table_21782 WHERE "Speed (km/h)" = '15.5'