Database: debit_card_specializing
Question: What is the amount spent by customer "38508" at the gas stations? How much had the customer spent in January 2012?
SQL: SELECT SUM(T1.Price) , SUM(IIF(T3.Date = '201201', T1.Price, 0)) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN yearmonth AS T3 ON T1.CustomerID = T3.CustomerID WHERE T1.CustomerID = '38508'