How many sweet bottled root beers that do not contain cane sugar were purchased in 2015 through the selling company located in Sac State American River Courtyard?
sweet refers to Honey = 'TRUE'; bottled refers to ContainerType = 'Bottle'; do not contain cane sugar refers to CaneSugar = 'FALSE'; in 2015 refers to PurchaseDate < = '2015-12-31'; Sac State American River Courtyard refers to LocationName = 'Sac State American River Courtyard';
SELECT COUNT(T1.BrandID) FROM rootbeer AS T1 INNER JOIN rootbeerbrand AS T2 ON T1.BrandID = T2.BrandID INNER JOIN location AS T3 ON T1.LocationID = T3.LocationID WHERE T3.LocationName = 'Sac State American River Courtyard' AND T1.PurchaseDate LIKE '2015%' AND T2.Honey = 'TRUE' AND T2.CaneSugar = 'FALSE' AND T1.ContainerType = 'Bottle'