which cover artist of the the book about moomin also the source of inspiration of moomins and the comet chase ?
SELECT DISTINCT var_uri where brack_open dbr_The_Book_about_Moomin,_Mymble_and_Little_My dbo_coverArtist var_uri sep_dot dbr_Moomins_and_the_Comet_Chase dbo_basedOn var_uri brack_close