and { only { filter_eq { all_rows ; order ; cardinal - bishop } } ; eq { hop { filter_eq { all_rows ; order ; cardinal - bishop } ; elector } ; francesco moricotti prignani } } = true
select the rows whose order record fuzzily matches to cardinal  bishop . there is only one such row in the table . the elector record of this unqiue row is francesco moricotti prignani .