Table: doctor_whobook_audiobooks
Columns: title
author
reader
format
company
release_date
notes

Question: which company uses pinborough, sarah sarah pinborough?
SQL: SELECT "company" FROM doctor_whobook_audiobooks WHERE "author" = 'Pinborough, Sarah Sarah Pinborough'

Question: who the reader of title department x?
SQL: SELECT "reader" FROM doctor_whobook_audiobooks WHERE "title" = 'Department X'

Question: how many notes were read by reader varma, idria indira varma?
SQL: SELECT COUNT("notes") FROM doctor_whobook_audiobooks WHERE "reader" = 'Varma, Idria Indira Varma'

Question: who is the reader on the download/cd format of the title written by author lidster, joseph joseph lidster? 
SQL: SELECT "reader" FROM doctor_whobook_audiobooks WHERE "format" = 'Download/CD' AND "author" = 'Lidster, Joseph Joseph Lidster'