Database: formula_1
Question: What's Lucas di Grassi's Q1 result in the race No. 345?
SQL: SELECT T1.q1 FROM qualifying AS T1 INNER JOIN drivers AS T2 ON T2.driverId = T1.driverId WHERE T1.raceId = 345 AND T2.forename = 'Lucas' AND T2.surname = 'di Grassi'