and { eq { max { filter_eq { all_rows ; region ; middle east } ; joined opec } ; 1967 } ; eq { hop { argmax { filter_eq { all_rows ; region ; middle east } ; joined opec } ; country } ; united arab emirates } } = true
select the rows whose region record fuzzily matches to middle east . the maximum joined opec record of these rows is 1967 . the country record of the row with superlative joined opec record is united arab emirates .