Task: Text to Code
Input (English): select the rows whose attendance record is less than 1500 . there is only one such row in the table . the date record of this unqiue row is april 18 .
Output (English): and { only { filter_less { all_rows ; attendance ; 1500 } } ; eq { hop { filter_less { all_rows ; attendance ; 1500 } ; date } ; april 18 } }