Assertion: northeast blackout | /r/HasProperty | the great blackout of 2011
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: The 2011 Southwest blackout, sometimes referred to as the Great Blackout of 2011, was a widespread power outage that affected the San Diego–Tijuana area, southern Orange County, the Imperial Valley, Mexicali Valley, and Coachella Valley, and parts of Arizona.