How long will it take to get to the 8pm Def Leppard concert from Elaine's place in Lennox?
[IN:GET_ESTIMATED_DURATION How long will it take to get to [SL:DESTINATION [IN:GET_EVENT the [SL:DATE_TIME 8 pm ] [SL:NAME_EVENT Def Leppard ] [SL:CATEGORY_EVENT concert ] ] ] from [SL:SOURCE [IN:GET_LOCATION_HOME [SL:CONTACT Elaine ] 's place in [SL:LOCATION_CURRENT Lennox ] ] ] ? ]