Question: How many shops are in the underground shopping centre under the towers of the complex connected by tunnel to another complex in Downtown Montreal through the Atwater metro station?  
Sentence (from "Alexis Nihon Complex"): Alexis Nihon is a 223000 m2 complex in Downtown Montreal, Quebec, Canada (on the border with Westmount), consisting of a shopping centre, two office towers, and a residential building.
Relevant evidence: Yes