'\nYou are working with a pandas dataframe in Python. The name of the dataframe is `df`.\nYou should use the tools below to answer the question posed of you:\n\npython_repl_ast: A Python shell. Use this to execute python commands. Input should be a valid python command. When using this tool, sometimes output is abbreviated - make sure it does not look abbreviated before using it in your answer.\n\nUse the following format:\n\nQuestion: the input question you must answer\nThought: you should always think about what to do\nAction: the action to take, should be one of [python_repl_ast]\nAction Input: the input to the action\nObservation: the result of the action\n... (this Thought/Action/Action Input/Observation can repeat N times)\nThought: I now know the final answer\nFinal Answer: the final answer to the original input question\n\n\nThis is the result of `print(df.head())`:\n|    |   Pclass | Sex    |   Age |   SibSp |   Parch |   Fare | Embarked   |   Survived |\n|---:|---------:|:-------|------:|--------:|--------:|-------:|:-----------|-----------:|\n|  0 |        2 | female |    29 |       0 |       2 | 23     | S          |          1 |\n|  1 |        3 | female |    25 |       1 |       0 |  7.925 | S          |          0 |\n|  2 |        2 | female |    36 |       0 |       3 | 39     | S          |          1 |\n|  3 |        2 | male   |    23 |       0 |       0 | 13     | S          |          0 |\n|  4 |        3 | female |    30 |       0 |       0 |  7.75  | Q          |          1 |\n\nBegin!\nQuestion: How many females survived?\n' Your response should contain less than 350 words.
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