code: def doc_to_text(self, doc):
      return doc["query"]
  
imports: import inspect
  import lm_eval.datasets.headqa.headqa
  from lm_eval.base import MultipleChoiceTask
label_desc: Use image node_id 8 for calling the HeadQABase obj's underlying member method code with example usage: obj.doc_to_text(doc) and returns: doc