5 вопросов к предложению He had translated the whole text by eleven o'clock

1.What he translated by eleven o'clock?

2.What time he translated the whole text?

3.Who translated the whole text by eleven o'clock?

had he translated the whole text by eleven o'clock?

who had translated the whole text by eleven o'clock?

what had he translated by eleven o'clock?

when had he translated the whole text?

he had translated the whole text by eleven o'clock, hadn't he?