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': 'Retrieve a list of movies based on director, genre, and cast preferences. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': [], 'properties': {'directed_by': {'type': 'string', 'description': "Name of the director to filter the movies. Use 'dontcare' to include all directors.", 'default': 'dontcare'}, 'genre': {'type': 'string', 'description': "Genre of the movies to filter. Use 'dontcare' to include all genres.", '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': "Name of the main actor to filter the movies. Use 'dontcare' to include all casts.", 'default': 'dontcare'}}}}, {'name': 'Restaurants_2_ReserveRestaurant', 'description': 'Make a table reservation at a specified restaurant for a certain number of guests on a given date and time. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['restaurant_name', 'location', 'time', 'number_of_seats'], 'properties': {'restaurant_name': {'type': 'string', 'description': 'The name of the restaurant where the reservation is to be made.'}, 'location': {'type': 'string', 'description': "The location of the restaurant in the format of 'City, State', such as 'Berkeley, CA' or 'New York, NY'."}, 'time': {'type': 'string', 'description': "The tentative time for the reservation in 24-hour format (e.g., '18:30' for 6:30 PM)."}, 'number_of_seats': {'type': 'integer', 'description': 'The number of seats to reserve at the restaurant. Must be a positive integer.'}, 'date': {'type': 'string', 'description': "The tentative date for the reservation in ISO format (YYYY-MM-DD). Defaults to today's date if not provided.", 'default': None}}}}, {'name': 'Restaurants_2_FindRestaurants', 'description': 'Finds restaurants within a specified location and filtered by category, price range, and vegetarian options availability. The search can also be extended to include restaurants with 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 or food category offered by the restaurant, such as 'Italian', 'Chinese', or 'Vegetarian'.", '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 city where the restaurant is located, in the format of 'City, State', such as 'San Francisco, CA'."}, 'price_range': {'type': 'string', 'description': "The price category of the restaurant's offerings. The default is 'dontcare', indicating no preference.", 'enum': ['cheap', 'moderate', 'pricey', 'ultra high-end', 'dontcare'], 'default': 'dontcare'}, 'has_vegetarian_options': {'type': 'boolean', 'description': "Indicates whether the restaurant provides adequate vegetarian options. The default is 'dontcare', indicating no preference.", 'default': 'dontcare'}, 'has_seating_outdoors': {'type': 'boolean', 'description': "Denotes if the restaurant has outdoor seating available. The default is 'dontcare', indicating no preference.", 'default': 'dontcare'}}}}]


user: Hi, could you help me search for movies directed by Steven Spielberg and featuring Josef Sommer?

Available functions:
[{"name": "Movies_3_FindMovies", "description": "Retrieve a list of movies based on director, genre, and cast preferences.", "parameters": {"type": "dict", "required": [], "properties": {"directed_by": {"type": "string", "description": "Name of the director to filter the movies. Use 'dontcare' to include all directors.", "default": "dontcare"}, "genre": {"type": "string", "description": "Genre of the movies to filter. Use 'dontcare' to include all genres.", "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": "Name of the main actor to filter the movies. Use 'dontcare' to include all casts.", "default": "dontcare"}}}}, {"name": "Restaurants_2_ReserveRestaurant", "description": "Make a table reservation at a specified restaurant for a certain number of guests on a given date and time.", "parameters": {"type": "dict", "required": ["restaurant_name", "location", "time", "number_of_seats"], "properties": {"restaurant_name": {"type": "string", "description": "The name of the restaurant where the reservation is to be made."}, "location": {"type": "string", "description": "The location of the restaurant in the format of 'City, State', such as 'Berkeley, CA' or 'New York, NY'."}, "time": {"type": "string", "description": "The tentative time for the reservation in 24-hour format (e.g., '18:30' for 6:30 PM)."}, "number_of_seats": {"type": "integer", "description": "The number of seats to reserve at the restaurant. Must be a positive integer."}, "date": {"type": "string", "description": "The tentative date for the reservation in ISO format (YYYY-MM-DD). Defaults to today's date if not provided.", "default": null}}}}, {"name": "Restaurants_2_FindRestaurants", "description": "Finds restaurants within a specified location and filtered by category, price range, and vegetarian options availability. The search can also be extended to include restaurants with outdoor seating.", "parameters": {"type": "dict", "required": ["category", "location"], "properties": {"category": {"type": "string", "description": "The type of cuisine or food category offered by the restaurant, such as 'Italian', 'Chinese', or 'Vegetarian'.", "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 city where the restaurant is located, in the format of 'City, State', such as 'San Francisco, CA'."}, "price_range": {"type": "string", "description": "The price category of the restaurant's offerings. The default is 'dontcare', indicating no preference.", "enum": ["cheap", "moderate", "pricey", "ultra high-end", "dontcare"], "default": "dontcare"}, "has_vegetarian_options": {"type": "boolean", "description": "Indicates whether the restaurant provides adequate vegetarian options. The default is 'dontcare', indicating no preference.", "default": "dontcare"}, "has_seating_outdoors": {"type": "boolean", "description": "Denotes if the restaurant has outdoor seating available. The default is 'dontcare', indicating no preference.", "default": "dontcare"}}}}]

Ground-truth function call:
[{"Movies_3_FindMovies": {"directed_by": ["Steven Spielberg"], "genre": ["", "dontcare"], "cast": ["Josef Sommer"]}}]