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': 'Music_3_PlayMedia', 'description': 'Initiates playback of a specified music track on a designated 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 track to be played.'}, 'artist': {'type': 'string', 'description': 'The name of the artist performing the track.', 'default': 'Any Artist'}, 'device': {'type': 'string', 'description': 'The name or location of the device where the music will be played.', 'enum': ['Living room', 'Kitchen', 'Patio'], 'default': 'Living room'}, 'album': {'type': 'string', 'description': 'The name of the album that the track is from, if applicable.', 'default': 'Any Album'}}}}, {'name': 'Music_3_LookupMusic', 'description': "Finds songs that align with the user's musical preferences based on the artist, album, genre, and release year. Note that the provided function is in Python 3 syntax.", 'parameters': {'type': 'dict', 'properties': {'artist': {'type': 'string', 'description': "The name of the artist performing the song. Use 'dontcare' to ignore this criterion.", 'default': 'dontcare'}, 'album': {'type': 'string', 'description': "The name of the album that the song is part of. Use 'dontcare' to ignore this criterion.", 'default': 'dontcare'}, 'genre': {'type': 'string', 'description': "The genre of the music. Use 'dontcare' to indicate no specific preference.", 'enum': ['Reggae', 'Holiday', 'Electropop', 'Pop', 'Asia', 'House', 'Electronica', 'Funk', 'Rock', 'Metal', 'Dubstep', 'Country', 'dontcare'], 'default': 'dontcare'}, 'year': {'type': 'string', 'description': "The year of the song's initial release. Format should be a four-digit number, e.g., '2001'. Use 'dontcare' to ignore this criterion.", 'enum': ['2010', '2011', '2012', '2013', '2014', '2015', '2016', '2017', '2018', '2019', 'dontcare'], 'default': 'dontcare'}}, 'required': []}}]


user: Find some Electropop songs that were released in 2019?

Available functions:
[{"name": "Music_3_PlayMedia", "description": "Initiates playback of a specified music track on a designated device.", "parameters": {"type": "dict", "required": ["track"], "properties": {"track": {"type": "string", "description": "The title of the track to be played."}, "artist": {"type": "string", "description": "The name of the artist performing the track.", "default": "Any Artist"}, "device": {"type": "string", "description": "The name or location of the device where the music will be played.", "enum": ["Living room", "Kitchen", "Patio"], "default": "Living room"}, "album": {"type": "string", "description": "The name of the album that the track is from, if applicable.", "default": "Any Album"}}}}, {"name": "Music_3_LookupMusic", "description": "Finds songs that align with the user's musical preferences based on the artist, album, genre, and release year.", "parameters": {"type": "dict", "properties": {"artist": {"type": "string", "description": "The name of the artist performing the song. Use 'dontcare' to ignore this criterion.", "default": "dontcare"}, "album": {"type": "string", "description": "The name of the album that the song is part of. Use 'dontcare' to ignore this criterion.", "default": "dontcare"}, "genre": {"type": "string", "description": "The genre of the music. Use 'dontcare' to indicate no specific preference.", "enum": ["Reggae", "Holiday", "Electropop", "Pop", "Asia", "House", "Electronica", "Funk", "Rock", "Metal", "Dubstep", "Country", "dontcare"], "default": "dontcare"}, "year": {"type": "string", "description": "The year of the song's initial release. Format should be a four-digit number, e.g., '2001'. Use 'dontcare' to ignore this criterion.", "enum": ["2010", "2011", "2012", "2013", "2014", "2015", "2016", "2017", "2018", "2019", "dontcare"], "default": "dontcare"}}, "required": []}}]

Ground-truth function call:
[{"Music_3_LookupMusic": {"artist": ["", "dontcare"], "album": ["", "dontcare"], "genre": ["Electropop"], "year": ["2019"]}}]