君の質問は

your question

→ 君
phrase Rare #41,000
your question 君 is a familiar way to say “you,” and は marks “your question” as the topic.
JA: 君の質問はとても大切です。
EN: Your question is very important.

君の質問は討議中の問題と関係がない。

Your question is irrelevant to the matter under discussion.