Like ...? [He blinks, momentarily confused, but of course. She can only mean ...]
Another bloke calling himself the Doctor was here before? What did he look like?
[He grins broadly, not offended in the least. If another version of him was here before, he wonders why he doesn't remember. But that also makes it more intriguing.]
Don't be, Miss, it's quite alright. Day 36, so ... [He checks the communicator for the current date, sure that it read a much higher number.] That means you have been here for nearly an Earth year. [Which is a very long time to stay in one place for. At least for him it surely is and the news make him a little uneasy, a fact which he tries to hide as best as he can.] I was just about to visit 2013, so we aren't too far apart.
I see. I guess if she arrives as well, I will know about it soon. These little things seem to work wonderfully. [He means the communicators, who so far seem to be doing a great job at connecting people.]