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": "horse_stats", "description": "Fetches the racing statistics for a specified horse using the RapidAPI Horse Racing API.", "parameters": {"id_horse": {"description": "The unique identifier of the horse.", "type": "str", "default": "230380"}}}]
Retrieve the racing statistics for the horse that is currently leading in the jockey's championship. Assume the ID is '87654'.
user
assistant
[{"name": "horse_stats", "arguments": {"id_horse": "87654"}}]