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": "last_year_summary", "description": "Retrieve the last year's performance summary for a given player using the RapidAPI service.", "parameters": {"player_id": {"description": "The ID of the player whose summary is to be retrieved.", "type": "int", "default": "12994"}}}, {"name": "getfavouriteschamps", "description": "Fetches the favorite champions data from the specified RapidAPI endpoint.", "parameters": {"skinname": {"description": "The skin name to include in the query parameters. Defaults to 'betbiga'.", "type": "str, optional", "default": "betbiga"}}}, {"name": "wnba_box_score", "description": "Fetches the WNBA game box score data for a specified game.", "parameters": {"is_id": {"description": "The unique identifier for the WNBA game.", "type": "str", "default": "401244185"}}}]
What were the favorite champions selected in the 'betbiga' skin during the last League of Legends tournament? Also, could you fetch the last year's summary for soccer player Lionel Messi?
user
assistant
[{"name": "getfavouriteschamps", "arguments": {}}, {"name": "last_year_summary", "arguments": {"player_id": 1580839}}]