| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | 2010 in Jewels - Events list |  |  |  |  |  |
| 3 | # | Event Title | Date | Arena | Location | Attendance |
| 4 | 13 | Jewels 11th Ring | December 17, 2010 | Korakuen Hall | Tokyo, Japan | 1216 |
| 5 | 12 | Jewels 10th Ring | October 10, 2010 | Shin-Kiba 1st Ring | Tokyo, Japan | 464 |
| 6 | 11 | Jewels 9th Ring | July 31, 2010 | Shinjuku Face | Tokyo, Japan | 578 |
| 7 | 10 | Jewels 8th Ring | May 23, 2010 | Shin-Kiba 1st Ring | Tokyo, Japan | 438 |
| 8 | 9 | Jewels 7th Ring | March 19, 2010 | Shinjuku Face | Tokyo, Japan | 696 |
| 9 | 8 | Jewels - Rough Stone: Second Ring | January 31, 2010 | Caesar Gym Shin-Koiwa | Tokyo, Japan | - |

Question: What events were hosted at the Caesar Gym Shin-Koiwa and when were they held?
Answer: Jewels - Rough Stone: Second Ring was an event held on January 31, 2010, at the Caesar Gym Shin-Koiwa in Tokyo, Japan.