How many miles is it from home to the Amtrak station in Pittsburgh ?
O O B-SL_UNIT_DISTANCE O O O B-SL_SOURCE_IN_GET_LOCATION_HOME O B-SL_DESTINATION_IN_GET_LOCATION_SL_CATEGORY_LOCATION I-SL_DESTINATION_IN_GET_LOCATION_SL_CATEGORY_LOCATION I-SL_DESTINATION_IN_GET_LOCATION_SL_CATEGORY_LOCATION I-SL_DESTINATION_IN_GET_LOCATION B-SL_DESTINATION_IN_GET_LOCATION_SL_LOCATION_MODIFIER O