Is there someone to whom you can turn to for advice?这句话有没有语病

Is there someone to whom you can turn to for advice?
这句话明显多了一个to.turn to sb for sth是一个固定词组.
再问： 那这句话该怎么改
再答： 可以改成：Is there someone to whom you can turn for advice? 或：Is there someone whom/ who/ that you can turn to for advice? 或：Is there someone you can turn to for advice?