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 | Event | Location |
| --- | --- | --- | --- | --- | --- |
| Loss | 6–4–1 | KJ Noons | Decision (unanimous) | DREAM.13 | Yokohama , Japan |
| Loss | 6–3–1 | Katsunori Kikuno | TKO (punches) | DREAM.10 | Saitama, Saitama , Japan |
| Loss | 6–2–1 | Eddie Alvarez | TKO (punches) | DREAM.1 | Saitama, Saitama , Japan |
| Loss | 6–1–1 | Gesias Cavalcante | Submission (armbar) | Hero's 10 | Yokohama , Japan |
| Win | 6–0–1 | Caol Uno | Decision (unanimous) | Hero's 10 | Yokohama , Japan |
| Win | 5–0–1 | Artur Oumakhanov | TKO (punches) | Hero's 9 | Yokohama , Japan |
| Win | 4–0–1 | Hiroyuki Takaya | TKO (broken nose) | Hero's 8 | Nagoya , Japan |
| Win | 3–0–1 | Felipe Borges | TKO | Storm Samurai 12 | Curitiba , Brazil |
| Draw | 2–0–1 | Claudio Mattos | Draw | Storm Samurai 8 | Brasílial , Brazil |
| Win | 2–0 | Sergio Vieira | KO (punch) | Storm Samurai 6 | Curitiba , Brazil |
| Win | 1–0 | Leandro Sousa | Decision | Storm Samurai 4 | Curitiba , Brazil |
Question:
Which event had a decision method?
Answer:
Storm Samurai 4