Question: List out the root beers bought by Tim Ocel and Dawn Childress.
SQL: SELECT T2.RootBeerID FROM customers AS T1 INNER JOIN `transaction` AS T2 ON T2.CustomerID = T1.CustomerID WHERE (T1.First = 'Tim' AND T1.Last = 'Ocel') OR (T1.First = 'Dawn' AND T1.Last = 'Childress')