{
	"span_multi":{
		"match":{
			"range" : {
     		   "age" : { 
            		"from" : 10, 
            		"to" : 20, 
            		"include_lower" : true, 
            		"include_upper": false, 
            		"boost" : 2.0
       			}
    		}
		}
	}
}

