I want to go to mall of arabia by 7 pm , when should I leave home?
[IN:GET_ESTIMATED_DEPARTURE I want to go to [SL:DESTINATION [IN:GET_LOCATION [SL:POINT_ON_MAP mall of arabia ] ] ] [SL:DATE_TIME_ARRIVAL by 7 pm ] , when should I leave [SL:SOURCE [IN:GET_LOCATION_HOME home ] ] ? ]