def METHOD_NAME(result):
    """
    Group results by SiteName
    """
    siteNameCol = result["Columns"].index("SiteName")
    resultValue = result["Value"]
    siteNameDict = {}
    for row in resultValue:
        if row[siteNameCol] not in siteNameDict:
            siteNameDict[row[siteNameCol]] = [row]
        else:
            siteNameDict[row[siteNameCol]].append(row)
    return siteNameDict