and { only { filter_eq { filter_greater { all_rows ; crowd ; 20000 } ; venue ; victoria park } } ; eq { hop { filter_eq { filter_greater { all_rows ; crowd ; 20000 } ; venue ; victoria park } ; home team } ; collingwood } } = true
select the rows whose crowd record is greater than 20000 . among these rows , select the rows whose venue record fuzzily matches to victoria park . there is only one such row in the table . the home team record of this unqiue row is collingwood .