根据表格序列H，回答问题Q。
问题Q：What is the percentage improvement of R@1 achieved by our method on a subset of the data?
表格序列H：<C> SQuAD Subset  MRR,NAME_1,Task BERT  QA,37.90,Task Cross - VAEs,47.06,Task Cross - VAEs,<max>48.52<bold>,<C> SQuAD Subset  R@1,NAME_1,Task BERT  QA,30.81,Task Cross - VAEs,40.90,Task Cross - VAEs,<max>44.55<bold>,<C> SQuAD Subset  R@5,NAME_1,Task BERT  QA,45.24,Task Cross - VAEs,53.44,Task Cross - VAEs,<max>53.52<bold>,<C> SQuAD Subset  SSE,NAME_1,Task BERT  QA,<max>0.23,Task Cross - VAEs,0.14,Task Cross - VAEs,0.09<bold>,Table 3: Performance of answer retrieval on a subset of SQuAD in which any answer has more than 8 ques-tions. Our method outperforms baselines much more. SSE indicates the sum of squared distances/errors be-tween two different questions aligned to same answer.
