user: Question: who is the reader on the Download/CD format of the title written by author Lidster, Joseph Joseph Lidster? 
Columns: ['Title', 'Author', 'Reader', 'Format', 'Company', 'Release Date', 'Notes']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Another Life', 'Anghelides, Peter Peter Anghelides', 'Barrowman, John John Barrowman', '3-CD', 'BBC Audio', '2007-04-02 2 April 2007', 'Abridged']
SQL:

assistant: SELECT "Reader" FROM "Table" WHERE "Format" = 'Download/CD' AND "Author" = 'Lidster, Joseph Joseph Lidster';