CREATE TABLE table_47123 ("Period" TEXT, "Team" TEXT, "Player" TEXT, "Penalty" TEXT, "Time" TEXT)

What team was Ryan Callahan, who received a penalty for roughing, playing for?
SELECT "Team" FROM table_47123 WHERE "Penalty" = 'roughing' AND "Player" = 'ryan callahan'
SELECT "Team" FROM "table_47123" WHERE "Penalty" = 'roughing' AND "Player" = 'ryan callahan'