query: SELECT count(*) FROM All_documents WHERE document_type_code  =  "CV" OR document_type_code  =  "BK"
question: Show the number of documents with document type code CV or BK.
query_toks: SELECT count ( * ) FROM All_documents WHERE document_type_code = `` CV '' OR document_type_code = `` BK ''
query_toks_no_value: select count ( * ) from all_documents where document_type_code = value or document_type_code = value
question_toks: Show the number of documents with document type code CV or BK.