誰がこの絵を描いた

who drew this picture

→ 誰
phrase Rare #37,332
who drew this picture Used to ask who created or painted a picture. It commonly appears before か in an embedded question, or with のですか/の? as a direct question.
JA: 誰がこの絵を描いたか、先生に聞きました。
EN: I asked the teacher who drew this picture.

誰がこの絵を描いたのですか

Who painted this picture?

誰がこの絵を描いたか知らない

I don't know who painted this picture.

誰がこの絵を描いた

Who painted this picture?

誰がこの絵を描いたか知っていますか

Do you know who painted this picture?