To preserve and enhance agriculture in the unincorporated area of Alameda County, shall the "Save Agriculture and Open Space Lands" Initiative (Measure D, November 2000) allow (1) a maximum floor area ratio of .025 for agricultural buildings in Large Parcel Agriculture areas and (2) a maximum floor area ratio of .025, with a minimum of 20,000 and a maximum of 60,000 square feet, for covered equestrian riding arenas in Large Parcel Agriculture and Resource Management areas?