Dynamically change Pivot Table as a source for chart

[TamirBasin]

Hello,

I have 3 Pivot tables each having rows and columns.
The number of rows and columns changes according to slicers.

Using a drop-down menu, I need to show on a chart (stacked columns) only 1 of the pivots.
Meaning, I need to alter the source of the chart dynamical.

How can I do it?

Thank you,
Tamie