and { eq { hop { filter_eq { all_rows ; player ; mark eaton } ; nationality } ; hop { filter_eq { all_rows ; player ; jerry eaves } ; nationality } } ; and { eq { hop { filter_eq { all_rows ; player ; mark eaton } ; nationality } ; united states } ; eq { hop { filter_eq { all_rows ; player ; jerry eaves } ; nationality } ; united states } } } = true
select the rows whose player record fuzzily matches to mark eaton . take the nationality record of this row . select the rows whose player record fuzzily matches to jerry eaves . take the nationality record of this row . the first record fuzzily matches to the second record . the nationality record of the first row is united states . the nationality record of the second row is united states .