class_docstr: Google Palm LLM
  BaseGoogle class is extended for Google Palm model. The default and only model
  support at the moment is models/text-bison-001.
docstr: Generates text for prompt.
  
  Args:
      prompt (str): A string representation of the prompt.
  
  Returns:
      str: LLM response.
code: def _generate_text(self, prompt: str) -> str:
      """
      Generates text for prompt.
  
      Args:
          prompt (str): A string representation of the prompt.
  
      Returns:
          str: LLM response.
  
      """
      self._validate()
      completion = self.google_palm.generate_text(
          model=self.model,
          prompt=prompt,
          temperature=self.temperature,
          top_p=self.top_p,
          top_k=self.top_k,
          max_output_tokens=self.max_output_tokens,
      )
      return completion.result
  
file_path: pandas-ai/pandasai/llm/google_palm.py
imports: from .base import BaseGoogle
  from typing import Any
  from ..helpers.optional import import_dependency
  from ..exceptions import APIKeyNotFoundError
label_desc: Use image node_id 5 for calling the GooglePalm obj's underlying member method code with example usage: obj._generate_text(prompt) and returns: completion