code: def query_12_epoch(self, arch_id: str, dataset, epoch_num: int = 11):
      if epoch_num is None or epoch_num > 11:
          epoch_num = 11
      arch_id = str(arch_id)
      t_acc = self.data201[arch_id]["12"][dataset][str(epoch_num)][
          "test_accuracy"
      ]
      time_usage = self.data201[arch_id]["12"][dataset][str(epoch_num)][
          "time_usage"
      ]
      return t_acc, time_usage
  
imports: import os
  import random
  from src.common.constant import Config
  from src.tools.io_tools import read_json, write_json
  from src.query_api.singleton import Singleton
  from src.tools.io_tools import read_pickle
  from src.tools.compute import generate_global_rank
label_desc: Use image node_id 8 for calling the Gt201 obj's underlying member method code with example usage: obj.query_12_epoch(arch_id, dataset, epoch_num) and returns: t_acc,  time_usage