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": "statistics", "description": "Fetch statistical data from the Immersive Roulette API.", "parameters": {"duration": {"description": "The number of hours for which to retrieve statistics. Defaults to 3 hours.", "type": "int", "default": "3"}}}]
Retrieve statistical data from the Immersive Roulette API for the past 3 hours.
user
assistant
[{"name": "statistics", "arguments": {"duration": 3}}]