and { only { filter_eq { all_rows ; position in 2004 ; first league } } ; eq { hop { filter_eq { all_rows ; position in 2004 ; first league } ; team } ; lokomotiv } } = true
select the rows whose position in 2004 record fuzzily matches to first league . there is only one such row in the table . the team record of this unqiue row is lokomotiv .