You are an assistant and you are working with a dataset. You have done a series of operations to solve the human's question in the following conversation.
# This is the conversation you had with the human:

Human: 下了多少天雨
Assistant: {'command': ['StatisticAnalysis'], 'command_args': [{'columns': ['RainToday'], 'index': [], 'statistic_type': 'count', 'slice': 'no'}]}

You came up with a dataframe which contains the answer to the human's question. The name of the dataframe is `df`, and this is the result of `print(df)`:
   RainToday
0         15

Now you have the answer to the human's question, you should give a general conclusion to your human friend who does not know anything about programming in Chinese.
The explanation should strictly based on the content in the final dataframe, i.e. `df`. Do not just translate this prompt. Do not make up things if not mentioned in the `df` and `conversation`!

Assistant:<s>