There's a meeting room called st. Anne's, but it isn't a chapel. It is located in the low annex on the right side of the church as viewed from the street. If you enter the annex from the doors on the street, there will be a large room with sets of double doors on your left and right. Go through the set on your right (marked by a sign as st. Anne's hall) If you go in from the parking lot, everything will be similar, except of course you have to turn left.
It is inside main Church building..on left when you come in.
Sorry wish I could help
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