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': 'metropolitan_museum.get_top_artworks', 'description': 'Fetches the list of popular artworks at the Metropolitan Museum of Art. Results can be sorted based on popularity. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'properties': {'number': {'type': 'integer', 'description': 'The number of artworks to fetch'}, 'sort_by': {'type': 'string', 'description': "The criteria to sort the results on. Default is ''.", 'enum': ['popularity', 'chronological', 'alphabetical']}}, 'required': ['number']}}, {'name': 'lawsuit_search', 'description': 'Search for lawsuits related to a specific company within a specific date range and location. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'properties': {'company': {'type': 'string', 'description': 'The company related to the lawsuit.'}, 'start_date': {'type': 'string', 'description': 'Start of the date range for when the lawsuit was filed.'}, 'location': {'type': 'string', 'description': 'Location where the lawsuit was filed.'}, 'status': {'type': 'string', 'enum': ['ongoing', 'settled', 'dismissed'], 'description': "The status of the lawsuit. Default is 'ongoing'."}}, 'required': ['company', 'start_date', 'location']}}]


user: Get the list of top 5 popular artworks at the Metropolitan Museum of Art. Please sort by popularity.

Available functions:
[{"name": "metropolitan_museum.get_top_artworks", "description": "Fetches the list of popular artworks at the Metropolitan Museum of Art. Results can be sorted based on popularity.", "parameters": {"type": "dict", "properties": {"number": {"type": "integer", "description": "The number of artworks to fetch"}, "sort_by": {"type": "string", "description": "The criteria to sort the results on. Default is ''.", "enum": ["popularity", "chronological", "alphabetical"]}}, "required": ["number"]}}, {"name": "lawsuit_search", "description": "Search for lawsuits related to a specific company within a specific date range and location.", "parameters": {"type": "dict", "properties": {"company": {"type": "string", "description": "The company related to the lawsuit."}, "start_date": {"type": "string", "description": "Start of the date range for when the lawsuit was filed."}, "location": {"type": "string", "description": "Location where the lawsuit was filed."}, "status": {"type": "string", "enum": ["ongoing", "settled", "dismissed"], "description": "The status of the lawsuit. Default is 'ongoing'."}}, "required": ["company", "start_date", "location"]}}]

Ground-truth function call:
[{"metropolitan_museum.get_top_artworks": {"number": [5], "sort_by": ["popularity"]}}]