Task: Code to Text
Input (English): and { only { filter_eq { all_rows ; surface ; clay } } ; eq { hop { filter_eq { all_rows ; surface ; clay } ; track } ; little valley speedway } } = true
Output (English): select the rows whose surface record fuzzily matches to clay . there is only one such row in the table . the track record of this unqiue row is little valley speedway .