Write SQL query to solve given problem: How many papers were published by the "Virtual Reality, IEEE Annual International Symposium" conference in 2012?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T2.Id) FROM Conference AS T1 INNER JOIN Paper AS T2 ON T1.Id = T2.ConferenceId WHERE T1.FullName = 'Virtual Reality, IEEE Annual International Symposium' AND T2.Year = 2012