Re-write to simple past(+),(-),(?) Dion(wins)the speech contest in his school two day ago

(+) Dion won the speech contest in his school two day ago.
(-) Dion didn't win the speech contest in his school two day ago.
(?) Did Dion win the speech contest in his school two day ago?

(+) Dion won the speech contest in his school two days ago
(-) Dion did not win the speech contest in his school two days ago
(?) Did Dion win the speech contesr in his school two days ago?