In what position was Frederick John Robinson, 1st Viscount Goderich replaced by Arthur Wellesley, 1st Duke of Wellington?
SELECT ?obj WHERE { wd:/F. J. Robinson, 1st Viscount Goderich/ p:/position held/ ?s . ?s ps:/position held/ ?obj . ?s pq:/replaced by/ wd:/Arthur Wellesley, 1st Duke of Wellington/ }