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": "get_city_by_id", "description": "Fetch details of a city by its ID using the RapidAPI Geography API.", "parameters": {"is_id": {"description": "The ID of the city to be fetched.", "type": "str", "default": "1796236"}}}, {"name": "datum_conversion", "description": "Converts latitude and longitude from one geodetic system to another using the Navitime Geocoding API.", "parameters": {"coord": {"description": "Latitude and longitude before conversion. Supports millisecond and degree notation.", "type": "str", "default": "35.624822,139.742121"}, "after_datum": {"description": "The target geodetic system for conversion. Options are 'wgs84' for World Geodetic System (default) and 'tokyo' for Old Japan Geodetic System.", "type": "str", "default": "wgs84"}}}]
Could you retrieve information for 'BER012' and also assist with converting '34.0522, -118.2437' from WGS84 to Tokyo datum?
user
assistant
[{"name": "get_city_by_id", "arguments": {"is_id": "BER012"}}, {"name": "datum_conversion", "arguments": {"coord": "34.0522, -118.2437", "after_datum": "tokyo"}}]