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:
| Res. | Record | Opponent | Method | Round | Time |
| --- | --- | --- | --- | --- | --- |
| Loss | 14-14 | Shayna Baszler | Submission (neck crank) | 1.0 | 2:05 |
| Loss | 14-13 | Marloes Coenen | Submission (rear naked choke) | 1.0 | 2:01 |
| Loss | 14-12 | Michiko Takeda | Decision (unanimous) | 2.0 | 5:00 |
| Win | 14-11 | Jan Finney | Submission (armbar) | 2.0 | 3:01 |
| Win | 13-11 | Mamiko Mamiko | Submission (armbar) | 1.0 | 1:10 |
| Loss | 12-11 | Hitomi Akano | Submission (armbar) | 2.0 | 4:48 |
| Win | 12-10 | Kamei Natsuko | Submission (armbar) | 1.0 | 3:13 |
| Loss | 11-10 | Megumi Fujii | Submission (armbar) | 1.0 | 0:53 |
| loss | 11-9 | Natsuko Kikukawa | TKO | 1.0 | 1:13 |
| Loss | 11-8 | Roxanne Modafferi | Decision (unanimous) | 2.0 | 5:00 |
| win | 11-7 | Hikaru Shinohara | Decision (unanimous) | 2.0 | 5:00 |
| Loss | 10-7 | Megumi Fujii | Submission (armbar) | 1.0 | 0:53 |
| Win | 10-6 | Lee Hee-Jin | TKO | 2.0 | 1:48 |
| Loss | 9-6 | Hitomi Akano | Submission (armbar) | 1.0 | 1:27 |
| Win | 9-5 | Yumiko Sugimoto | Decision (unanimous) | 2.0 | 5:00 |
| Win | 8-5 | Kumiko Maekawa | Decision (unanimous) | 2.0 | 5:00 |
| Win | 7-5 | Ha Na Kim | Decision (unanimous) | 2.0 | 5:00 |
| Win | 6-5 | Hikaru Shinohara | Submission (armbar) | 2.0 | 0:00 |
| Win | 5-5 | Hari Hari | Decision (unanimous) | 2.0 | 5:00 |
| Win | 4-5 | Yuiga Yuiga | Decision (unanimous) | 2.0 | 5:00 |
| Loss | 3-5 | Kaoru Ito | Technical Submission (armbar) | 1.0 | 3:45 |
| Loss | 3-4 | Akino Akino | Decision (split) | 2.0 | 5:00 |
| Win | 3-3 | Natsuko Kikukawa | Decision (unanimous) | 2.0 | 5:00 |
| Loss | 2-3 | Yuiga Yuiga | Submission (choke) | 1.0 | 4:27 |
| win | 2-2 | Kazue Terui | Decision | 2.0 | 3:00 |
| Loss | 1-2 | Yuuki Kondo | Decision | 3.0 | 5:00 |
| Loss | 1-1 | Mika Harigae | Submission (armbar) | 1.0 | 2:52 |
| Win | 1-0 | Etsuko Kato | Submission (armbar) | 2.0 | 1:11 |
Question:
What method was used that had a resulting win against opponent, Natsuko Kikukawa?
Answer:
Decision (unanimous)