docstr: returns current context name
docstr_tok: ["returns","current","context","name"]
code: def get_current_context(self) -> str:
      """
      returns current context name
      """
      try:
          context_stack = ctx.context_stack or []
      except AttributeError:
          context_stack = []
      if len(context_stack) > 0:
          return context_stack[-1]
      else:
          return ""
  
imports: from typing import List
  import pandas
  from mindsdb_sql.parser.ast import Identifier, BinaryOperation, Last, Constant, ASTNode
  from mindsdb_sql.planner.utils import query_traversal
  from mindsdb.interfaces.storage import db
  from mindsdb.utilities.context import context
  from .last_query import LastQuery
label_desc: Use image node_id 6 for calling the QueryContextController obj's underlying member method code with example usage: obj.get_current_context() and returns: context_stack, str