and { only { filter_greater { filter_eq { all_rows ; date ; 12 june 1937 } ; crowd ; 20000 } } ; and { eq { hop { filter_greater { filter_eq { all_rows ; date ; 12 june 1937 } ; crowd ; 20000 } ; home team } ; richmond } ; eq { hop { filter_greater { filter_eq { all_rows ; date ; 12 june 1937 } ; crowd ; 20000 } ; away team } ; carlton } } } = true
select the rows whose date record fuzzily matches to 12 june 1937 . among these rows , select the rows whose crowd record is greater than 20000 . there is only one such row in the table . the home team record of this unqiue row is richmond . the away team record of this unqiue row is carlton .