Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| University | Location | Year Founded | QS World University Rankings 2012 | Times Higher Education World University Rankings 2012-2013 |
| --- | --- | --- | --- | --- |
| Nanjing University | Nanjing | 1902.0 | 168.0 | 251-275 |
| Peking University | Beijing | 1898.0 | 44.0 | 45 |
| Shanghai Jiao Tong University | Shanghai | 1896.0 | 125.0 | 276-300 |
| Tsinghua University | Beijing | 1911.0 | 48.0 | 52 |
| University of Science and Technology of China | Hefei | 1958.0 | 186.0 | 201-225 |
Question:
What is the QS World ranking of the school with the Times ranking 251-275?
Answer:
168.0