how many teams have wilkes-barre/scranton penguins players in them currently ?
SELECT DISTINCT COUNT attr_open var_uri attr_close where brack_open var_x dbo_formerTeam dbr_Wilkes-Barre/Scranton_Penguins sep_dot var_x dbo_team var_uri sep_dot var_uri a dbo_SportsTeam brack_close