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": "artist_singles", "description": "Fetches the list of singles for a given artist from the Spotify API.", "parameters": {"is_id": {"description": "The ID of the artist whose singles are to be fetched.", "type": "str", "default": "2w9zwq3AktTeYYMuhMjju8"}, "offset": {"description": "The starting point in the list of artist's singles to fetch. Defaults to '0'.", "type": "str, optional", "default": "0"}, "limit": {"description": "The maximum number of singles to fetch. Defaults to '20'.", "type": "str, optional", "default": "20"}}}, {"name": "list_user_followers", "description": "Fetches a user's followers from SoundCloud using the specified parameters.", "parameters": {"limit": {"description": "The maximum number of items to return. Defaults to None.", "type": "int, optional", "default": ""}, "offsettoken": {"description": "A string token used for pagination to get the next page of data. Defaults to None. If specified, the `user` parameter will be ignored.", "type": "str, optional", "default": ""}, "user": {"description": "The URL or ID of the SoundCloud user. Defaults to 'https://soundcloud.com/atlantic-records-uk'.", "type": "str, optional", "default": "https://soundcloud.com/atlantic-records-uk"}}}]
I need to know the singles of artist '67890' starting from the 5th one, and also fetch the followers of 'https://soundcloud.com/atlantic-records-uk' with a limit of 20.
user
assistant
[{"name": "artist_singles", "arguments": {"is_id": "67890", "offset": "5"}}, {"name": "list_user_followers", "arguments": {"user": "https://soundcloud.com/atlantic-records-uk", "limit": 20}}]