How Humid can I expect London to be Today? 
[IN:GET_WEATHER How [SL:WEATHER_ATTRIBUTE Humid ] can I expect [SL:LOCATION London ] to be [SL:DATE_TIME Today ] ?  ]
[IN:GET_WEATHER How [SL:WEATHER_ATTRIBUTE Humid ] can I expect [SL:LOCATION London ] to be [SL:DATE_TIME Today ] ?  ]