Task: Text to Code
Input (English): select the rows whose gold record is equal to 3 . there is only one such row in the table . the nation record of this unqiue row is china ( chn ) .
Output (English): and { only { filter_eq { all_rows ; gold ; 3 } } ; eq { hop { filter_eq { all_rows ; gold ; 3 } ; nation } ; china ( chn ) } }