SELECT qsq.query_id,
       qsq.object_id,
       qsqt.query_sql_text,
       Cast(qsp.query_plan AS XML) AS QueryPlan
FROM   sys.query_store_query AS qsq
       JOIN sys.query_store_query_text AS qsqt
         ON qsq.query_text_id = qsqt.query_text_id
       JOIN sys.query_store_plan AS qsp
         ON qsp.query_id = qsq.query_id
WHERE  qsq.object_id = Object_id('dbo.ProductTransactionHistoryByReference')