Denodo Data source is a Delimited file with variables in the local path for the date range. A Base View is created using interpolation variables. Querying the data with a start and end date filled in results in this error:
Interpolate Error: 'Unparseable date: "672"': Unparseable date: "672"'
or
Interpolate Error: 'Unparseable date: "2016"': Unparseable date: "2016"'