Task: Text to Code
Input (English): select the rows whose downhill record is equal to - . there is only one such row in the table . the season record of this unqiue row is 1990 .
Output (English): and { only { filter_eq { all_rows ; downhill ; - } } ; eq { hop { filter_eq { all_rows ; downhill ; - } ; season } ; 1990 } }