{"name": "B02021_031M","label": "Margin of Error!!Total Groups Tallied:!!Alaska Native tribes and villages, specified:","concept": "American Indian and Alaska Native Alone or in Any Combination by Selected Tribes and Villages","predicateType": "int","group": "B02021","limit": 0,"predicateOnly": true,"attributes": "B02021_031MA","attribute of": "B02021_031E","attribute type": "MARGIN_OF_ERROR"}