def get_last_capability(capabilities):
    """
    Returns the last capability from a list.

    Args:
        capabilities (list): A list of tuples containing capability data.

    Returns:
        tuple: The last capability in the list.
    """
    if not capabilities or len(capabilities) == 1:
        return None
    return capabilities[-1]

# Example usage:
capabilities = [('evolved_verified_generate_test_1768680667', 4235.89001196408, 51, 8305.7),
                ('verified_default', 4235.0, 51, 8303.9),
                ('evolved_verified_create_memory_1768424362', 4235.89001196408, 52, 8145.9)]

print(get_last_capability(capabilities))