By Brittany Hobson -CP- WINNIPEG- An advocacy group representing First Nations in Saskatchewan is firing back after a forensic audit found more than $34 million in questionable, unsupported or ineligible spending over five years. The Federation of Sovereign Indigenous Nations responded to the results of a recent forensic audit saying it has a robust system of financial management, accountability and transparency, but that processes during the probe hindered the organization’s ability to provide relevant information. “(The federation) has excellent capacity and record keeping … unfortunately, due to underfunding, many First Nations and First Nations organizations do not have the level of capacity to respond to such audits,” the organization said in a statement released on Wednesday. “Systemic change is required as transparency and accountability should be a partnership that helps…