CREATE TABLE table_6783 ("Institution" TEXT, "Location" TEXT, "Founded" FLOAT, "Type" TEXT, "Enrollment" FLOAT, "Nickname" TEXT, "Joined" TEXT, "Left" TEXT, "Current Conference" TEXT)

Where was the game played with a 2013 left and Royals nickname?
SELECT "Location" FROM table_6783 WHERE "Left" = '2013' AND "Nickname" = 'royals'
SELECT "Location" FROM "table_6783" WHERE "Left" = '2013' AND "Nickname" = 'royals'