Select function takes a row as a list and a column name and returns the date in that column.

def select_date(self, rows: List[Row], column: DateColumn) -> Date:
        """
        Select function takes a row as a list and a column name and returns the date in that column.
        """
        dates: List[Date] = []
        for row in rows:
            cell_value = row.values[column.name]
            if isinstance(cell_value, Date):
                dates.append(cell_value)

        return dates[0] if dates else Date(-1, -1, -1)