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_player_details", "description": "Retrieves player details based on the provided username and region.", "parameters": {"name": {"description": "The username of the player. This is case sensitive.", "type": "str", "default": "CoreJJ"}, "region": {"description": "The region of the player.", "type": "str", "default": "na"}}}, {"name": "skill_rating_mw_2_ranked", "description": "Fetches the Skill Ratings of the top players ranked in Modern Warfare 2 (MW 2) leaderboard.", "parameters": {"limit": {"description": "Maximum number of top-ranked players to retrieve, defaults to '250'. Must be a number between 1 and 250.", "type": "str", "default": "250"}}}, {"name": "get_a_specific_champion_s_base_stats", "description": "Fetches the base stats of a specified League of Legends champion using the provided RapidAPI key.", "parameters": {"name": {"description": "The name of the champion whose base stats are to be retrieved.", "type": "str", "default": "ekko"}}}]
Fetch the skill ratings of the top 50 players in Modern Warfare 2 ranked mode.
user
assistant
[{"name": "skill_rating_mw_2_ranked", "arguments": {"limit": "50"}}]