Please provide geographic data for Oakland's Parking Permit Areas as shapefiles or GeoJSON format. The City of Oakland Parking information page (http://www2.oaklandnet.com/Parking/#RPP) lists parking areas that are used to determine parking permits. For example, it states that there are areas A, B, C, D, E, F, G, I, J, K, L, M, N, and O. Please provide geographic data that describes the latest available boundaries or street segments that are used to define these distinct areas.