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': 'Payment_1_RequestPayment', 'description': 'Initiates a payment request to a specified contact or account. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['receiver', 'amount'], 'properties': {'receiver': {'type': 'string', 'description': 'The name or identifier of the contact or account to which the payment request will be sent.'}, 'amount': {'type': 'float', 'description': 'The monetary value to be requested, specified in dollars.'}, 'private_visibility': {'type': 'boolean', 'description': 'Indicates whether the payment request should be visible to others or kept private.', 'default': False}}}}, {'name': 'Payment_1_MakePayment', 'description': 'Executes a transaction to transfer funds from the user to another account. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['payment_method', 'amount', 'receiver'], 'properties': {'payment_method': {'type': 'string', 'description': "The funding source for the payment such as 'app balance', 'debit card', or 'credit card'.", 'enum': ['app balance', 'debit card', 'credit card']}, 'amount': {'type': 'float', 'description': 'The monetary value to be transferred, in USD.'}, 'receiver': {'type': 'string', 'description': 'The identifier for the recipient, such as an account number or username.'}, 'private_visibility': {'type': 'boolean', 'description': 'Indicates if the transaction should be private (true) or public (false).', 'default': False}}}}, {'name': 'Restaurants_2_ReserveRestaurant', 'description': "This function makes a reservation for a specified number of seats at a restaurant, given the restaurant's name, location, time, and date of the reservation. Note that the provided function is in Python 3 syntax.", 'parameters': {'type': 'dict', 'required': ['restaurant_name', 'location', 'time', 'date'], 'properties': {'restaurant_name': {'type': 'string', 'description': 'The full name of the restaurant where the reservation is to be made.'}, 'location': {'type': 'string', 'description': "The city and state where the restaurant is located, in the format of 'City, State' (e.g., 'San Francisco, CA')."}, 'time': {'type': 'string', 'description': "The desired time for the reservation in 24-hour format (e.g., '18:30' for 6:30 PM)."}, 'date': {'type': 'string', 'description': "The date of the restaurant reservation in ISO 8601 format (e.g., '2023-04-15')."}, 'number_of_seats': {'type': 'integer', 'description': 'The number of seats to reserve at the restaurant. Must be a positive integer.', 'default': 2}}}}, {'name': 'Restaurants_2_FindRestaurants', 'description': 'Retrieves a list of restaurants based on specified criteria such as location, category, price range, and availability of vegetarian options and outdoor seating. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['category', 'location'], 'properties': {'category': {'type': 'string', 'description': 'The type of cuisine offered by the restaurant.', 'enum': ['Mexican', 'Bistro', 'Izakaya', 'Brunch', 'Thai', 'Sandwich', 'Seafood', 'Barbecue', 'European', 'Steakhouse', 'Vietnamese', 'Asian', 'Coffeehouse', 'American', 'Gastropub', 'Austrian', 'Italian', 'Indian', 'Spanish', 'Vegetarian', 'Brasserie', 'Chinese', 'Breakfast', 'Greek', 'California', 'Tapas', 'Take-out', 'Japanese']}, 'location': {'type': 'string', 'description': "The location of the restaurant, in the format of 'City, State', such as 'San Francisco, CA' or 'New York, NY'."}, 'price_range': {'type': 'string', 'description': "The general pricing category of the restaurant's menu.", 'enum': ['cheap', 'moderate', 'pricey', 'ultra high-end'], 'default': 'dontcare'}, 'has_vegetarian_options': {'type': 'boolean', 'description': 'Indicates whether the restaurant provides vegetarian menu options.', 'default': False}, 'has_seating_outdoors': {'type': 'boolean', 'description': 'Specifies if the restaurant has seating available outdoors.', 'default': False}}}}, {'name': 'Services_4_BookAppointment', 'description': 'Books a therapy appointment with a specified therapist at a given 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 time of the appointment in 24-hour format (HH:MM).'}, 'appointment_date': {'type': 'string', 'description': "The date of the appointment in the format of 'YYYY-MM-DD'."}}}}, {'name': 'Services_4_FindProvider', 'description': "Discover therapists in a specified city based on the user's preferences for the therapist's specialization. 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 names must be abbreviated."}, 'type': {'type': 'string', 'description': 'The specialization of the therapist being sought.', 'enum': ['Psychologist', 'Family Counselor', 'Psychiatrist']}, 'accepts_insurance': {'type': 'boolean', 'description': 'Indicates if the search should filter for therapists who accept insurance.', 'default': False}}}}]


user: Please find me a therapist in Pittsburg PA that is a psychiatrist.

Available functions:
[{"name": "Payment_1_RequestPayment", "description": "Initiates a payment request to a specified contact or account.", "parameters": {"type": "dict", "required": ["receiver", "amount"], "properties": {"receiver": {"type": "string", "description": "The name or identifier of the contact or account to which the payment request will be sent."}, "amount": {"type": "float", "description": "The monetary value to be requested, specified in dollars."}, "private_visibility": {"type": "boolean", "description": "Indicates whether the payment request should be visible to others or kept private.", "default": false}}}}, {"name": "Payment_1_MakePayment", "description": "Executes a transaction to transfer funds from the user to another account.", "parameters": {"type": "dict", "required": ["payment_method", "amount", "receiver"], "properties": {"payment_method": {"type": "string", "description": "The funding source for the payment such as 'app balance', 'debit card', or 'credit card'.", "enum": ["app balance", "debit card", "credit card"]}, "amount": {"type": "float", "description": "The monetary value to be transferred, in USD."}, "receiver": {"type": "string", "description": "The identifier for the recipient, such as an account number or username."}, "private_visibility": {"type": "boolean", "description": "Indicates if the transaction should be private (true) or public (false).", "default": false}}}}, {"name": "Restaurants_2_ReserveRestaurant", "description": "This function makes a reservation for a specified number of seats at a restaurant, given the restaurant's name, location, time, and date of the reservation.", "parameters": {"type": "dict", "required": ["restaurant_name", "location", "time", "date"], "properties": {"restaurant_name": {"type": "string", "description": "The full name of the restaurant where the reservation is to be made."}, "location": {"type": "string", "description": "The city and state where the restaurant is located, in the format of 'City, State' (e.g., 'San Francisco, CA')."}, "time": {"type": "string", "description": "The desired time for the reservation in 24-hour format (e.g., '18:30' for 6:30 PM)."}, "date": {"type": "string", "description": "The date of the restaurant reservation in ISO 8601 format (e.g., '2023-04-15')."}, "number_of_seats": {"type": "integer", "description": "The number of seats to reserve at the restaurant. Must be a positive integer.", "default": 2}}}}, {"name": "Restaurants_2_FindRestaurants", "description": "Retrieves a list of restaurants based on specified criteria such as location, category, price range, and availability of vegetarian options and outdoor seating.", "parameters": {"type": "dict", "required": ["category", "location"], "properties": {"category": {"type": "string", "description": "The type of cuisine offered by the restaurant.", "enum": ["Mexican", "Bistro", "Izakaya", "Brunch", "Thai", "Sandwich", "Seafood", "Barbecue", "European", "Steakhouse", "Vietnamese", "Asian", "Coffeehouse", "American", "Gastropub", "Austrian", "Italian", "Indian", "Spanish", "Vegetarian", "Brasserie", "Chinese", "Breakfast", "Greek", "California", "Tapas", "Take-out", "Japanese"]}, "location": {"type": "string", "description": "The location of the restaurant, in the format of 'City, State', such as 'San Francisco, CA' or 'New York, NY'."}, "price_range": {"type": "string", "description": "The general pricing category of the restaurant's menu.", "enum": ["cheap", "moderate", "pricey", "ultra high-end"], "default": "dontcare"}, "has_vegetarian_options": {"type": "boolean", "description": "Indicates whether the restaurant provides vegetarian menu options.", "default": false}, "has_seating_outdoors": {"type": "boolean", "description": "Specifies if the restaurant has seating available outdoors.", "default": false}}}}, {"name": "Services_4_BookAppointment", "description": "Books a therapy appointment with a specified therapist at a given 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 time of the appointment in 24-hour format (HH:MM)."}, "appointment_date": {"type": "string", "description": "The date of the appointment in the format of 'YYYY-MM-DD'."}}}}, {"name": "Services_4_FindProvider", "description": "Discover therapists in a specified city based on the user's preferences for the therapist's specialization.", "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 names must be abbreviated."}, "type": {"type": "string", "description": "The specialization of the therapist being sought.", "enum": ["Psychologist", "Family Counselor", "Psychiatrist"]}, "accepts_insurance": {"type": "boolean", "description": "Indicates if the search should filter for therapists who accept insurance.", "default": false}}}}]

Ground-truth function call:
[{"Services_4_FindProvider": {"city": ["Pittsburg, PA"], "type": ["Psychiatrist"], "accepts_insurance": ["", false]}}]