Only time I've been there and should gave made a reservation first was mother's day two years ago. Aid suggest any holiday you want to go I'd reserve a table before hand, any other time you might have a little wait if any but not long enough to wish you had a reservation.
No, only busy holidays like Mother's day
Not necessary based on my experience as well
No lunch reservations needed. At least in my experience.
If it's more than 4, yes
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