Question: State top 3 emails of UK Sales Rep who have the highest credit limit.
SQL: SELECT T2.email FROM customers AS T1 INNER JOIN employees AS T2 ON T1.salesRepEmployeeNumber = T2.employeeNumber WHERE T2.jobTitle = 'Sales Rep' AND T1.country = 'UK' GROUP BY T1.customerName, T2.email ORDER BY SUM(T1.creditLimit) DESC LIMIT 3