[ capword ( year ) ] sp capword othword sp capword sp ( othword . ) . sp upword sp year sp : sp num othword sp capword othword sp othword sp smallet capword othword sp othword capword sp ( capword sp othword sp othword sp num othword sp capword sp capword sp capword sp capword ) , sp capword , capword , sp capword sp num - num , sp year sp ( year ) .