messages.content: What key signature does C# major have?
messages.role: user
messages.role: assistant
messages.arguments: {"key": "C#", "scale_type": "major"}
messages.name: music_theory_key_signature
messages.type: function
tools: [{"type": "function", "function": {"name": "music_theory_key_signature", "description": "Return the key signature of a major or minor scale.", "parameters": {"type": "dict", "properties": {"key": {"type": "string", "description": "The root of the scale, e.g., 'C', 'F#', 'Ab'."}, "scale_type": {"type": "string", "enum": ["major", "minor"], "description": "Type of the scale, either 'major' or 'minor'. Default is 'major'."}}, "required": ["key"]}}}]