an Entity references as follows:
The 2015 Extreme Rules was the seventh annual Extreme Rules professional wrestling pay-per-view and livestreaming event produced by WWE. It took place on April 26, 2015, at the Allstate Arena in the Chicago suburb of Rosemont, Illinois, and was the second Extreme Rules event to take place at this venue after the 2012 edition. The concept of Extreme Rules is that the event features various hardcore-based matches. The event was available on the WWE Network in over 140 countries. On pay-per-view, it had 56,000 buys (excluding WWE Network views), down from the previous year's 108,000 buys.