who is the reader on the download/cd format of the title written by author lidster, joseph joseph lidster?
CREATE TABLE table_20174050_23 (
    reader VARCHAR,
    format VARCHAR,
    author VARCHAR
)
SELECT reader FROM table_20174050_23 WHERE format = "Download/CD" AND author = "Lidster, Joseph Joseph Lidster"
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: who is the reader on the download/cd format of the title written by author lidster, joseph joseph lidster? ### Input: CREATE TABLE table_20174050_23 (
    reader VARCHAR,
    format VARCHAR,
    author VARCHAR
) ### Response: SELECT reader FROM table_20174050_23 WHERE format = "Download/CD" AND author = "Lidster, Joseph Joseph Lidster"