Shall Alameda County impose and collect a special tax on real property parcels in the County commencing on July 1, 2008 and continuing for thirty-five years at rates set forth in the measure, for the purposes of funding grants to Children's Hospital and Research Center Oakland for the construction, expansion, remodeling, renovation, furnishing and equipping projects for Children's Hospital, reimbursing County costs for administration of the tax and ensuring continuing public use of the facilities?