and { only { filter_eq { all_rows ; date ; march 2006 } } ; eq { hop { filter_eq { all_rows ; date ; march 2006 } ; score } ; 1 - 0 } } = true
select the rows whose date record fuzzily matches to march 2006 . there is only one such row in the table . the score record of this unqiue row is 1  0 .