smsprov.log - records WMI provider access to the site database
this is a server log and can be found from the site server:
excute your query
you should be able to see the query execution logged in the smsprov.log. Once this has happened, pause the log file so it does not scroll away on you.
look for the two lines starting with execute wql= and execute sql=,
copy the text out of the bottom pane of the log viewer and paste it into your web report.