Delete question marks in column names.
Delete question marks in column names.

bendmorris/retriever,goelakash/retriever,davharris/retriever,bendmorris/retriever,davharris/retriever,henrykironde/deletedret,goelakash/retriever,henrykironde/deletedret,davharris/retriever,bendmorris/retriever,embaldridge/retriever,embaldridge/retriever,embaldridge/retriever