What time should I leave my house by, if the Shakespeare Festival is starting at 4 pm in Portland?
[IN:GET_ESTIMATED_DEPARTURE What time should I leave [SL:SOURCE [IN:GET_LOCATION_HOME [SL:CONTACT my ] house ] ] by , if [SL:DESTINATION [IN:GET_EVENT [SL:CATEGORY_EVENT the Shakespeare Festival ] is starting [SL:DATE_TIME at 4 pm ] in [SL:LOCATION Portland ] ] ] ? ]