Although the questions at interview are supposed to be tailormade to the weaker bits of your evidence, every one of the 15 people on my preparation days said their teachers were asked how often we took whole classes, how many pupils in the class etc. Other questions were things like how you handle behaviour issues, lines of communication, feedback to teachers.
My nominated teacher said she found it quite straightforward and that questions were things I did in my everyday role, nothing that put her on the spot.
If you have a teacher that knows you well and is happy to do it, then go for it PG. You'll get stressed waiting for another appointment and secondly you wouldn't want to stress out the assessor by making them come to your area a second time.
Keep us posted and good luck whatever you decide.
_________________