Unable to use same dataset with different SQL queries for OAC Canvas in Oracle Analytics Cloud.

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We are trying to put different canvases from the same dataset, for example, we are plotting a piechart using filters emp_id = 1 with an attribute column. The second piechart is being plotted using emp_id = 2, we are getting the same result for both canvases which should not be the case.

How to achieve different canvas results from the same dataset

We are trying to use different SQL queries for different canvases in OAC within same project, whenever we are attempting to do it, the same SQL query is applied for all canvases, is there any way to use different SQL queries for different canvases within same project.