You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "balance", "description": "Retrieves the balance sheet statements of a specified stock company.", "parameters": {"symbol": {"description": "The stock symbol of the company (e.g., 'AAPL' for Apple Inc.).", "type": "str", "default": "MSFT"}, "period": {"description": "The reporting period for the balance sheet, which can be 'annual' or 'quarterly'.", "type": "str", "default": "quarter"}}}, {"name": "historical_exchange_rates", "description": "Fetch historical exchange rate data for a specific date using the RapidAPI service.", "parameters": {"date": {"description": "The date for which to retrieve exchange rate data, formatted as 'YYYY-MM-DD'.", "type": "str", "default": ""}}}]
Fetch the historical exchange rates for the last date of February 2020.
user
assistant
[{"name": "historical_exchange_rates", "arguments": {"date": "2020-02-29"}}]