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": "trainers_win_rate", "description": "Fetches trainers' win rate statistics from the past specified number of days.", "parameters": {"last_days": {"description": "The number of past days to consider for the statistics. Defaults to 7 days if not specified.", "type": "int", "default": "7"}}}]
Get the trainers' performance data for the last 60 days and find out their win rate percentage.
user
assistant
[{"name": "trainers_win_rate", "arguments": {"last_days": 60}}]