Which HAVING clause should be used to complete the statement below to list the supplier id of all suppliers that supply at least 5 products? SELECT SupplierId FROM Products GROUP BY SupplierId ____________________________ Question 2 Select one: a. HAVING MAX(ProductId) >=5 b. HAVING NumProd >= 5 c. HAVING COUNT(ProductId) >= 5 d. HAVING SUM(ProductId) >= 5