and { only { filter_eq { all_rows ; opponent in the final ; vasilis mazarakis } } ; eq { hop { filter_eq { all_rows ; opponent in the final ; vasilis mazarakis } ; date } ; 20 march 2007 } } = true
select the rows whose opponent in the final record fuzzily matches to vasilis mazarakis . there is only one such row in the table . the date record of this unqiue row is 20 march 2007 .