what is the label of the album whose previous work is now that's what i call music ! 2 ?
SELECT DISTINCT var_uri where brack_open var_x dbo_previousWork dbr_Now_That's_What_I_Call_Music!_2_ attr_open Norwegian_series attr_close sep_dot var_x dbp_label var_uri sep_dot var_x a dbo_Album brack_close