and { eq { diff { hop { filter_eq { all_rows ; tournament ; hamburg } ; week } ; hop { filter_eq { all_rows ; tournament ; rome } ; week } } ; 7 days } ; and { eq { hop { filter_eq { all_rows ; tournament ; hamburg } ; week } ; may 14 } ; eq { hop { filter_eq { all_rows ; tournament ; rome } ; week } ; may 7 } } } = true
select the rows whose tournament record fuzzily matches to hamburg . take the week record of this row . select the rows whose tournament record fuzzily matches to rome . take the week record of this row . the first record is 7 days larger than the second record . the week record of the first row is may 14 . the week record of the second row is may 7 .