code: def where_element_convert(self, node):
      if isinstance(node, Identifier):
          return f"${node.parts[-1]}"
      elif isinstance(node, Latest):
          return f"LATEST"
      elif isinstance(node, Constant):
          return node.value
      elif isinstance(node, TypeCast) and node.type_name.upper() in (
          "DATE",
          "DATETIME",
      ):
          formats = ["%Y-%m-%d", "%Y-%m-%dT%H:%M:%S.%f"]
          for format in formats:
              try:
                  return dt.datetime.strptime(node.arg.value, format)
              except ValueError:
                  pass
          raise RuntimeError(
              f"Not supported date format. Supported: {formats}"
          )
      else:
          raise NotImplementedError(f"Unknown where element {node}")
  
file_path: mindsdb/mindsdb/integrations/handlers/mongodb_handler/utils/mongodb_render.py
imports: import datetime
  from mindsdb_sql.parser.ast import *
  from mindsdb.api.mongo.utilities.mongodb_query import MongoQuery
label_desc: Use image node_id 5 for calling the MongodbRender obj's underlying member method code with example usage: obj.where_element_convert(node) and returns: str, node, str, node, dt