and { only { filter_eq { all_rows ; cores ; 1 } } ; eq { hop { filter_eq { all_rows ; cores ; 1 } ; model number } ; itanium 2 9010 } } = true
select the rows whose cores record is equal to 1 . there is only one such row in the table . the model number record of this unqiue row is itanium 2 9010 .