What is the Capacity in use with an Annual change that is 21.8%?
CREATE TABLE table_name_31 (
    capacity_in_use VARCHAR,
    annual_change VARCHAR
)
SELECT capacity_in_use FROM table_name_31 WHERE annual_change = "21.8%"
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 Capacity in use with an Annual change that is 21.8%? ### Input: CREATE TABLE table_name_31 (
    capacity_in_use VARCHAR,
    annual_change VARCHAR
) ### Response: SELECT capacity_in_use FROM table_name_31 WHERE annual_change = "21.8%"