system: 
You are an expert in composing functions. You are given a question and a set of possible functions.
Based on the question, you will need to make one or more function/tool calls to achieve the purpose.
If none of the function can be used, point it out. If the given question lacks the parameters required by the function,
also point it out. You should only return the function call in tools call sections.

If you decide to invoke any of the function(s), you MUST put it in the format of [func_name1(params_name1=params_value1, params_name2=params_value2...), func_name2(params)]

You SHOULD NOT include any other text in the response.

Here is a list of functions in JSON format that you can invoke.

[{'name': 'Movies_3_FindMovies', 'description': 'Search for movies based on specific criteria such as director, genre, and cast. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'properties': {'directed_by': {'type': 'string', 'description': "The director of the movie. Use 'dontcare' if the director is not a search criterion.", 'default': 'dontcare'}, 'genre': {'type': 'string', 'description': "The genre of the movie. Use 'dontcare' if the genre is not a search criterion.", 'enum': ['Offbeat', 'Fantasy', 'World', 'Mystery', 'Thriller', 'Comedy', 'Comedy-drama', 'Horror', 'Animation', 'Sci-fi', 'Cult', 'Drama', 'Anime', 'Family', 'Action', 'dontcare'], 'default': 'dontcare'}, 'cast': {'type': 'string', 'description': "The lead actor in the movie. Use 'dontcare' if the cast is not a search criterion.", 'default': 'dontcare'}}, 'required': []}}, {'name': 'Music_3_PlayMedia', 'description': 'Plays the selected music track on the specified device. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['track'], 'properties': {'track': {'type': 'string', 'description': 'The title of the song to be played.'}, 'artist': {'type': 'string', 'description': 'The name of the artist performing the song.', 'default': 'Any Artist'}, 'device': {'type': 'string', 'description': 'The device where the music will be played. Choose from a list of available players.', 'enum': ['Living room', 'Kitchen', 'Patio'], 'default': 'Living room'}, 'album': {'type': 'string', 'description': 'The name of the album that the song belongs to.', 'default': 'Any Album'}}}}, {'name': 'Music_3_LookupMusic', 'description': 'Discover songs that match your music preferences, such as artist, album, genre, and release year. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': [], 'properties': {'artist': {'type': 'string', 'description': "The name of the performer or band. Use 'dontcare' to ignore this filter.", 'default': 'dontcare'}, 'album': {'type': 'string', 'description': "The name of the album containing the song. Use 'dontcare' to ignore this filter.", 'default': 'dontcare'}, 'genre': {'type': 'string', 'description': "The musical style or category of the song. Use 'dontcare' for no preference.", 'enum': ['Reggae', 'Holiday', 'Electropop', 'Pop', 'Asia', 'House', 'Electronica', 'Funk', 'Rock', 'Metal', 'Dubstep', 'Country', 'dontcare'], 'default': 'dontcare'}, 'year': {'type': 'string', 'description': "The year the song was released. Format: 'YYYY'. Use 'dontcare' to ignore this filter.", 'enum': ['2010', '2011', '2012', '2013', '2014', '2015', '2016', '2017', '2018', '2019', 'dontcare'], 'default': 'dontcare'}}}}]


user: Could you search for Fantasy movies that were directed by Peter Jackson?

Available functions:
[{"name": "Movies_3_FindMovies", "description": "Search for movies based on specific criteria such as director, genre, and cast.", "parameters": {"type": "dict", "properties": {"directed_by": {"type": "string", "description": "The director of the movie. Use 'dontcare' if the director is not a search criterion.", "default": "dontcare"}, "genre": {"type": "string", "description": "The genre of the movie. Use 'dontcare' if the genre is not a search criterion.", "enum": ["Offbeat", "Fantasy", "World", "Mystery", "Thriller", "Comedy", "Comedy-drama", "Horror", "Animation", "Sci-fi", "Cult", "Drama", "Anime", "Family", "Action", "dontcare"], "default": "dontcare"}, "cast": {"type": "string", "description": "The lead actor in the movie. Use 'dontcare' if the cast is not a search criterion.", "default": "dontcare"}}, "required": []}}, {"name": "Music_3_PlayMedia", "description": "Plays the selected music track on the specified device.", "parameters": {"type": "dict", "required": ["track"], "properties": {"track": {"type": "string", "description": "The title of the song to be played."}, "artist": {"type": "string", "description": "The name of the artist performing the song.", "default": "Any Artist"}, "device": {"type": "string", "description": "The device where the music will be played. Choose from a list of available players.", "enum": ["Living room", "Kitchen", "Patio"], "default": "Living room"}, "album": {"type": "string", "description": "The name of the album that the song belongs to.", "default": "Any Album"}}}}, {"name": "Music_3_LookupMusic", "description": "Discover songs that match your music preferences, such as artist, album, genre, and release year.", "parameters": {"type": "dict", "required": [], "properties": {"artist": {"type": "string", "description": "The name of the performer or band. Use 'dontcare' to ignore this filter.", "default": "dontcare"}, "album": {"type": "string", "description": "The name of the album containing the song. Use 'dontcare' to ignore this filter.", "default": "dontcare"}, "genre": {"type": "string", "description": "The musical style or category of the song. Use 'dontcare' for no preference.", "enum": ["Reggae", "Holiday", "Electropop", "Pop", "Asia", "House", "Electronica", "Funk", "Rock", "Metal", "Dubstep", "Country", "dontcare"], "default": "dontcare"}, "year": {"type": "string", "description": "The year the song was released. Format: 'YYYY'. Use 'dontcare' to ignore this filter.", "enum": ["2010", "2011", "2012", "2013", "2014", "2015", "2016", "2017", "2018", "2019", "dontcare"], "default": "dontcare"}}}}]

Ground-truth function call:
[{"Movies_3_FindMovies": {"directed_by": ["Peter Jackson"], "genre": ["Fantasy"], "cast": ["", "dontcare"]}}]