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": "marketdata", "description": "Fetches regional electricity price forecast based on a provided German zip code.", "parameters": {"zip": {"description": "The postal code in Germany for which to retrieve the electricity price forecast.", "type": "str", "default": "69256"}}}, {"name": "get_specific_country", "description": "Fetches fuel prices for a specific country from the RapidAPI endpoint.", "parameters": {"country": {"description": "The name of the country for which to fetch fuel prices.", "type": "str", "default": "Germany"}}}, {"name": "co2_emission", "description": "Fetches the carbon emissions in grams per Kilo-Watt-Hour for electricity in Germany based on the given date. Allows retrieving both the latest and historical data back to the year 2017.", "parameters": {"date": {"description": "The date for which to retrieve carbon emission data. Accepted formats include 'YYYY-MM-DD', 'MM/DD/YYYY', or Unix Timestamp (in milliseconds). Defaults to '2022-08-20'.", "type": "str, optional", "default": "2022-08-20"}}}]
What were the carbon emissions for electricity in Germany on January 15, 2023?
user
assistant
[{"name": "co2_emission", "arguments": {"date": "2023-01-15"}}]