eq { diff { hop { filter_eq { all_rows ; date ( s ) conducted ; 27 october 2010 } ; green } ; hop { filter_eq { all_rows ; date ( s ) conducted ; 24 november 2010 } ; green } } ; -1 } = true
select the rows whose date  s  conducted record fuzzily matches to 27 october 2010 . take the green record of this row . select the rows whose date  s  conducted record fuzzily matches to 24 november 2010 . take the green record of this row . the second record is 1 larger than the first record .