Context: business email.
I asked two questions and only one was answered. The second one was completely ignored — I don't know if the question was ignored on purpose or it was just overlooked. However, this second question is important to me and I'd really like to get an answer.
The original second question was:
I also wanted to ask if maybe it would be possible to add [Software] to the list of <...>
How can I politely ask to answer this question, without being too pushy or importunate?