and { only { filter_eq { filter_eq { all_rows ; current affiliation ; cbs owned - and - operated ( o & o ) } ; city of license / market ; pittsburgh } } ; eq { hop { filter_eq { filter_eq { all_rows ; current affiliation ; cbs owned - and - operated ( o & o ) } ; city of license / market ; pittsburgh } ; station } ; kdka - tv } } = true
select the rows whose current affiliation record fuzzily matches to cbs owned  and  operated  o  o  . among these rows , select the rows whose city of license  market record fuzzily matches to pittsburgh . there is only one such row in the table . the station record of this unqiue row is kdka  tv .