and { only { filter_eq { all_rows ; fuel propulsion ; diesel - electric hybrid } } ; eq { hop { filter_eq { all_rows ; fuel propulsion ; diesel - electric hybrid } ; make and model } ; new flyer de35lf } } = true
select the rows whose fuel propulsion record fuzzily matches to diesel  electric hybrid . there is only one such row in the table . the make and model record of this unqiue row is new flyer de35lf .