When will I arrive at Independence Hall if I start at the Liberty Mall at 4:18?
[IN:GET_ESTIMATED_ARRIVAL When will I arrive at [SL:DESTINATION [IN:GET_LOCATION [SL:POINT_ON_MAP Independence Hall ] ] ] if I start at [SL:SOURCE [IN:GET_LOCATION [SL:POINT_ON_MAP the Liberty Mall ] ] ] [SL:DATE_TIME_DEPARTURE at 4 : 18 ] ? ]