query: SELECT Operating_system ,  count(*) FROM web_client_accelerator GROUP BY Operating_system
question: Of web accelerators used for each Operating system Find that number.
query_toks: SELECT Operating_system , count ( * ) FROM web_client_accelerator GROUP BY Operating_system
query_toks_no_value: select operating_system , count ( * ) from web_client_accelerator group by operating_system
question_toks: Of web accelerators used for each Operating system Find that number.