jnkvv jabalpur notes Riddles

You want Bob to have your phone number, but for some reason you can't ask him directly. You have to write Bob a note, and pass it to him through Lucy. Lucy can give you a note back with Bob's reply, but you don't want Lucy to know your phone number herself. What will you write on the note to Bob?

One snowy night, Detective Anderson was in his house reading a book. All of a sudden a stone came crashing through his window, breaking it. Anderson got up and looked out the window just in time to see three neighborhood brats who were brothers run around a corner. Their names were Alan Jones, Mark Jones and Peter Jones. Not knowing of Anderson's reputation as a genius detective, the two innocent brats teased him by sent a note with clue on Anderson's front door. The note reads "? Jones. He broke your window." Which one of the three Jones brothers should Anderson question about the incident?