Read this: On August 9, 2015, ESPN reported that the New Orleans VooDoo and Las Vegas Outlaws had ceased operations, effective immediately, a claim which was subsequently validated on the AFL website. On September 1, 2015, the Spokane Shock officially left the AFL and joined the IFL under the new name Spokane Empire, becoming the fifth active AFL/af2 franchise to leave for the IFL since bankruptcy (Iowa Barnstormers, Tri-Cities Fever, Green Bay Blizzard and Arkansas Twistersnow the Texas Revolutionleft previously).

What was the name of the Spokane Shock after they joined the IFL?
What is the answer? (If it cannot be answered, return "unanswerable")
Spokane Empire