what is the label of the album whose previous work is ocean of confusion: songs of screaming trees 1990–1996 ?
SELECT DISTINCT var_uri where brack_open var_x dbo_previousWork dbr_Ocean_of_Confusion:_Songs_of_Screaming_Trees_1990–1996 sep_dot var_x dbp_label var_uri sep_dot var_x a dbo_Album brack_close