Activity of Boo Boo

We are going to the Tower Bridge resturant on Sunday night for a special occasion. I've read all the reviews etc and am looking forward to eating some serious steak, but have no clue as to what I should wear? Is it a smart kind of place? Dress? I'm...

...candidate? I have an interview for a promotion tomorrow, but I can't think of any questions to ask. Any ideas? I'm wondering if it would be best for me to say as an internal applicant I already know about the role/structure etc.