In what time should I start driving from my house to get my sister's house  by 7 PM ?
[IN:GET_ESTIMATED_DEPARTURE In what time should I start [SL:METHOD_TRAVEL driving ] from [SL:SOURCE [IN:GET_LOCATION_HOME [SL:CONTACT my ] house ] ] to get [SL:DESTINATION [IN:GET_LOCATION_HOME [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION sister ] 's house ] ] [SL:DATE_TIME_ARRIVAL by 7 PM ] ? ]