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': 'get_pods', 'description': 'Retrieves a list of all pods within a specified namespace in a Kubernetes cluster. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['namespace'], 'properties': {'namespace': {'type': 'string', 'description': "The namespace from which to retrieve pods. For example, 'default' or 'kube-system'."}, 'label_selector': {'type': 'string', 'description': 'A selector to restrict the list of returned objects by their labels. Defaults to everything if not specified.', 'default': ''}, 'field_selector': {'type': 'string', 'description': 'A selector to restrict the list of returned objects by their fields. Defaults to everything if not specified.', 'default': ''}, 'include_uninitialized': {'type': 'boolean', 'description': 'If true, partially initialized resources are included in the response.', 'default': False}}}}, {'name': 'get_services', 'description': 'Retrieves a list of all services available in the specified namespace of the system. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['namespace'], 'properties': {'namespace': {'type': 'string', 'description': 'The namespace identifier from which services are to be fetched.'}}}}]


user: Retrieve the list of services from the 'cascade-sandbox' namespace for me?

Available functions:
[{"name": "get_pods", "description": "Retrieves a list of all pods within a specified namespace in a Kubernetes cluster.", "parameters": {"type": "dict", "required": ["namespace"], "properties": {"namespace": {"type": "string", "description": "The namespace from which to retrieve pods. For example, 'default' or 'kube-system'."}, "label_selector": {"type": "string", "description": "A selector to restrict the list of returned objects by their labels. Defaults to everything if not specified.", "default": ""}, "field_selector": {"type": "string", "description": "A selector to restrict the list of returned objects by their fields. Defaults to everything if not specified.", "default": ""}, "include_uninitialized": {"type": "boolean", "description": "If true, partially initialized resources are included in the response.", "default": false}}}}, {"name": "get_services", "description": "Retrieves a list of all services available in the specified namespace of the system.", "parameters": {"type": "dict", "required": ["namespace"], "properties": {"namespace": {"type": "string", "description": "The namespace identifier from which services are to be fetched."}}}}]

Ground-truth function call:
[{"get_services": {"namespace": ["cascade-sandbox"]}}]