Index awareness while using prompt!!

Hi All,

I am applying index awareness in one of the object let's say Product_ID.

Now I have 5 distinct values in Product_ID column but it's belongs to product dimension in warehouse so because of SCD 2 there are 20 rows in table (1 product may have more then 4-5 surrogate keys)

Now I am applying index awareness to Product_ID column and creating a prompt for same object .

But in stead of  getting only 5 distinct values as mentioned above I am getting 20 values and that to surrogate keys for product_ID.

Now I know the reason behind these.

But I want to apply index awareness while using object as a prompt.

Please tell the solution?

Can I do it with the help of @prompt????