@Query("SELECT count(*) FROM Ping p WHERE (DAY(p.date) = :day) AND (MONTH(p.date) = :month) AND (p.conference = :conference)")
@Query("SELECT count(*) FROM Ping p WHERE (DAY(p.date) = :day) AND (MONTH(p.date) = :month) AND (YEAR(p.date) = :year) AND (p.conference = :conference)")