The context of the following conversation is Carson competed against others in the school talent show. Carson won the talent show.:
Carson says I won the school talent show!  I'm so excited..
The friend responds That's great.  What did you do?.
Carson responds I played piano and sang a song that I wrote..
The friend responds I am so happy for you that you won.  How many other people competed?.
Carson responds I think there were about thirty..
The friend responds Can you sing the song you performed for me?.