Do a combo chart in Sense.
With this data:
load * Inline
And creating a combo chart, gives me the following
Dummy data, but ilustrates that you can get the same behaviour in one single chart object in Sense.
Attached the sample QVF file I created.
Sample.qvf 192.0 K
Yes, you cannot put two objects at same place in Qlik Sense, but you can do it in QlikView.
However, the Qlik Associative Model allows you to link two or more tables using any field you want, then you can put the both measures at the same graphic.
Create a Master Calendar and connect the two tables to then. Use this example to do that.