Question

Put 4 types of the question to this sentence
Yevhen Paton was the first to apply electric welding in bridge construction.
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Answer 1

Общий:  Was Yevhen Paton the first to apply electric welding in bridge construction?

Альтернативный: Was Yevhen Paton the first to apply electric welding or laser beam welding in bridge construction?
Разделительный: Yevhen Paton was the first to apply electric welding in bridge constructionб wasnt'he?
Специальный: Who was he first to apply electric welding in bridge construction?