what is the name of the person who has relations with liam higgins and liam higgins ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_relation dbr_Liam_Higgins_ attr_open Irish_footballer attr_close sep_dot var_uri dbo_relation dbr_Liam_Higgins_ attr_open Irish_footballer attr_close sep_dot var_uri a dbo_Person brack_close