If you are sure the OQL query is correct, please do the following;
1. Create a page tat contains a data grid or list view according to your needs, with data source as microflow: DS_OpenReqs.
2. In DS_OpenReqs, place the execute OQL and this microflow should return the list of WeeklyReqReport.Open_Reqs.
This way you can display the output of OQL in a page.