It means 'Choose one question'.
"Una pregunta" means "a question" in English.
"Hazme una pregunta" translates to "Ask me a question" in English.
It means, "...a question about..."
I have a question.
"Who are you?" -
Tengo una pregunta. However...if you ASK a question, you would use "hacer una pregunta".
I have a question.
Una pregunta mas means One more question.
It means, "Choose/Select a password."
It means, "That is a crazy question."
It means "Enter a question here."
My love I need to ask you a question