and { only { filter_greater { all_rows ; towns / villages ; 350 } } ; eq { hop { filter_greater { all_rows ; towns / villages ; 350 } ; name of county } ; borsod - abaúj - zemplén } } = true
select the rows whose towns  villages record is greater than 350 . there is only one such row in the table . the name of county record of this unqiue row is borsod  abaúj  zemplén .