and { only { filter_less { all_rows ; year opened ; 1954 } } ; eq { hop { filter_less { all_rows ; year opened ; 1954 } ; facility } ; monroe correctional complex ( mcc ) } } = true
select the rows whose year opened record is less than 1954 . there is only one such row in the table . the facility record of this unqiue row is monroe correctional complex  mcc  .