text: (891, 12)    Thought: I now know the final answer    Final Answer: There are 891 rows and 12 columns.        > Finished chain.    'There are 891 rows and 12 columns.'agent.run("How many people are in pclass 1?")            > Entering new  chain...      0%|          |   0.00/100 [00:00<?, ?it/s]    Thought: I need to count the number of people in pclass 1    Action: python_repl_ast    Action Input: data[data['Pclass'] == 1].shape[0]    Observation: 216    Thought: I now know the final answer    Final Answer: There are 216 people in pclass 1.        > Finished chain.    'There are 216 people in pclass 1.'agent.run("whats the mean age?")            > Entering new  chain...    Thought: I need to calculate the mean age    Action: python_repl_ast    Action Input: data['Age'].mean()      0%|          |   0.00/100 [00:00<?, ?it/s]        Observation: 29.69911764705882    Thought: I now know the final answer    Final Answer: The mean age is 29.69911764705882.        > Finished chain.    'The mean age is