What time to I need to leave to make a flight out of SeaTeac at 8:00 am?
[IN:GET_ESTIMATED_DEPARTURE What time to I need to leave to make a [SL:DESTINATION [IN:GET_EVENT [SL:CATEGORY_EVENT flight ] out of [SL:LOCATION SeaTeac ] [SL:DATE_TIME at 8 : 00 am ] ] ] ? ]