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": "match", "description": "Fetch detailed information of a specific basketball match using the provided match ID.", "parameters": {"is_id": {"description": "The ID of the basketball match for which detailed information is to be fetched.", "type": "int", "default": 10247060}}}, {"name": "competitions_matches", "description": "Retrieves the current matches for a specified league and season using the Zeus API.", "parameters": {"is_id": {"description": "The identifier for the league.", "type": "str", "default": "LI1"}, "year": {"description": "The season year to retrieve matches for. Defaults to '2021'.", "type": "str, optional", "default": "2021"}, "round": {"description": "The round number of the matches to retrieve. Defaults to '24'.", "type": "str, optional", "default": "24"}}}, {"name": "results", "description": "Fetches the race results for a given date from the Greyhound Racing UK API.", "parameters": {"date": {"description": "The date for which to retrieve race results in 'YYYY-MM-DD' format. Default is '2021-06-02'.", "type": "str", "default": "2021-06-02"}}}]
Get the current matches for the league with ID 'ghi789' for the year 2019 and round 15.
user
assistant
[{"name": "competitions_matches", "arguments": {"is_id": "ghi789", "year": "2019", "round": "15"}}]