Пять типов вопросов к предлажению : Columbus had fifteen ships during his second voyage

Общий вопрос. Did Columbus have fifteen ships during his second voyage?

Специальный вопрос. How many ships did Columbus have during his second voyage?

Разделительный вопрос. Columbus had fifteen ships during his second voyage, didn`t he?

Альтернативный вопрос. Did Columbus have fifteen or seventeen ships during his second voyage?

Вопрос к подлежащему. Who had fifteen ships during his second voyage?