/* Extract a piece of information from the data returned by a successful query by a MusicBrainz::Client object.
*
* Returns nil if there was an error or if the correct piece of data was
* not found.
*
* Note: Certain result queries require an ordinal argument. See the
* MusicBrainz result query (MBE_*) documentation for additional
* information.
*
* Aliases:
* MusicBrainz::Client#get_result
* MusicBrainz::Client#get_result_data
*
* Examples:
* # get the name of the currently selected album
* album_name = mb.result MusicBrainz::Query::AlbumGetAlbumName
*
* # get the duration of the 5th track on the current album
* duration = mb.result MusicBrainz::Query::AlbumGetTrackDuration, 5
*/
static VALUE mb_client_result(int argc, VALUE *argv, VALUE self) {