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': 'Retrieves a list of movies based on the specified director, genre, and cast. The default behavior without parameters is to find a wide range of movies without specific preferences. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'properties': {'directed_by': {'type': 'string', 'description': "The name of the movie's director. Use 'dontcare' to ignore this filter.", 'default': 'dontcare'}, 'genre': {'type': 'string', 'description': "The genre category of the movie. Use 'dontcare' for no specific genre preference.", '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': "A comma-separated list of actors in the movie. Use 'dontcare' to ignore this filter.", 'default': 'dontcare'}}, 'required': []}}, {'name': 'Services_4_BookAppointment', 'description': 'Books an appointment with a selected therapist for a specified date and time. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['therapist_name', 'appointment_time', 'appointment_date'], 'properties': {'therapist_name': {'type': 'string', 'description': 'The full name of the therapist with whom the appointment is to be booked.'}, 'appointment_time': {'type': 'string', 'description': "The desired time for the appointment, in 24-hour format (e.g., '14:00' for 2 PM)."}, 'appointment_date': {'type': 'string', 'description': "The desired date for the appointment, in the format of 'YYYY-MM-DD' (e.g., '2023-04-15')."}}}}, {'name': 'Services_4_FindProvider', 'description': "Discover a therapist based on the user's specific needs and location. Note that the provided function is in Python 3 syntax.", 'parameters': {'type': 'dict', 'required': ['city', 'type'], 'properties': {'city': {'type': 'string', 'description': "The city where the user is looking for a therapist, in the format of 'City, State', such as 'Berkeley, CA' or 'New York, NY'. State has to be abbrieviated."}, 'type': {'type': 'string', 'description': 'The specialization of the therapist the user is seeking.', 'enum': ['Psychologist', 'Family Counselor', 'Psychiatrist']}, 'insurance_accepted': {'type': 'boolean', 'description': 'Indicates whether the therapist should accept insurance, true for yes and false for no.', 'default': True}}}}]


user: I'm looking for a psychiatrist in Pittsburgh who accepts insurance.

Available functions:
[{"name": "Movies_3_FindMovies", "description": "Retrieves a list of movies based on the specified director, genre, and cast. The default behavior without parameters is to find a wide range of movies without specific preferences.", "parameters": {"type": "dict", "properties": {"directed_by": {"type": "string", "description": "The name of the movie's director. Use 'dontcare' to ignore this filter.", "default": "dontcare"}, "genre": {"type": "string", "description": "The genre category of the movie. Use 'dontcare' for no specific genre preference.", "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": "A comma-separated list of actors in the movie. Use 'dontcare' to ignore this filter.", "default": "dontcare"}}, "required": []}}, {"name": "Services_4_BookAppointment", "description": "Books an appointment with a selected therapist for a specified date and time.", "parameters": {"type": "dict", "required": ["therapist_name", "appointment_time", "appointment_date"], "properties": {"therapist_name": {"type": "string", "description": "The full name of the therapist with whom the appointment is to be booked."}, "appointment_time": {"type": "string", "description": "The desired time for the appointment, in 24-hour format (e.g., '14:00' for 2 PM)."}, "appointment_date": {"type": "string", "description": "The desired date for the appointment, in the format of 'YYYY-MM-DD' (e.g., '2023-04-15')."}}}}, {"name": "Services_4_FindProvider", "description": "Discover a therapist based on the user's specific needs and location.", "parameters": {"type": "dict", "required": ["city", "type"], "properties": {"city": {"type": "string", "description": "The city where the user is looking for a therapist, in the format of 'City, State', such as 'Berkeley, CA' or 'New York, NY'. State has to be abbrieviated."}, "type": {"type": "string", "description": "The specialization of the therapist the user is seeking.", "enum": ["Psychologist", "Family Counselor", "Psychiatrist"]}, "insurance_accepted": {"type": "boolean", "description": "Indicates whether the therapist should accept insurance, true for yes and false for no.", "default": true}}}}]

Ground-truth function call:
[{"Services_4_FindProvider": {"city": ["Pittsburgh, PA"], "type": ["Psychiatrist"], "insurance_accepted": ["", true]}}]