The North and Central American Soccer World Cup, a global sports festival, has entered the final 16. During the period, ``THE ANSWER'' will be running a series called ``World Cup Trivia,'' which will answer simple questions that you can't ask people about right now. Specialist Koichi Ogishima, who has been covering soccer since before the start of the J League as a reporter for a sports newspaper, gives a straight answer. The 28th question is ``Which position did the manager hold most often during his active career?'' Q.Possibilities from your active days as a coach...