Make your way through the typically-wine-country picturesque town of Stellenbosch in South Africa, pass by the nigh-unpronounceable Blaauwklippen and Paradyskloof (I gave up on trying those tongue-twisters, personally), and you’ll find yourself at a gorgeous mountain-studded spot – Stellenrust – where they number their Chenin Blanc. But then, you’d probably expect a numerical focus from…