For these following two events:     { "people": { "bob": 172, "maria": 161 } } { "people": { "bob": 172, "garth": 180 } }       I want to report the number of occurrences of each person's name in the "people" object (the field name itself, not its value).  The desired result of my query against the two events above would be:     bob: 2 maria: 1 garth: 1       What SPL syntax/commands could I use to achieve this?  I have tried a variety of things online to no avail.     ... View more