Can use result of variable append to column

Hi guy, i newbie for this metabase application, I tried simple code with my database and i want to use a result of my variable to set to my column name, some thing like this

SELECT Period_ID AS [TEST-{{BeginDate}}] WHERE Period_ID = {{BeginDate}}

BeginDate::TEXT = ‘2017-02’

It is not support or have another solution

Thank you so much