INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (4253, 'EPSG', 4253, '+proj=longlat +ellps=clrk66 +towgs84=-133,-79,-72,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Luzon 1911",DATUM["Luzon_1911",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-133,-79,-72,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4253"]]');