eq { diff { hop { filter_eq { all_rows ; race ; indianapolis 500 } ; date } ; hop { filter_eq { all_rows ; race ; monaco grand prix } ; date } } ; 1 day } = true
select the rows whose race record fuzzily matches to indianapolis 500 . take the date record of this row . select the rows whose race record fuzzily matches to monaco grand prix . take the date record of this row . the first record is 1 day larger than the second record .