what is the total number of fictional characters whose created by anders jacobsson and sören olsson and series is sune ?
SELECT DISTINCT COUNT attr_open var_uri attr_close where brack_open var_uri dbo_creator dbr_Anders_Jacobsson_and_Sören_Olsson sep_dot var_uri dbo_series dbr_Sune_ attr_open book_series attr_close brack_close