Please list the location coordinates of all the facilities that had an inspection on 2010/5/11.
location coordinates refers to latitude, longitude; on 2010/5/11 refers to inspection_date = '2010-05-11'
SELECT DISTINCT T2.latitude, T2.longitude FROM inspection AS T1 INNER JOIN establishment AS T2 ON T1.license_no = T2.license_no WHERE T1.inspection_date = '2010-05-11'