and { eq { nth_min { filter_eq { all_rows ; format ; cd } ; date ; 1 } ; september 10 , 1986 } ; eq { hop { nth_argmin { filter_eq { all_rows ; format ; cd } ; date ; 1 } ; label } ; alfa records } } = true
select the rows whose format record fuzzily matches to cd . the 1st minimum date record of these rows is september 10 , 1986 . the label record of the row with 1st minimum date record is alfa records .