user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Television series' regarding 'Shin Hye-sun'
Table Content:
| Year | Title | Role | Network | Notes |
| --- | --- | --- | --- | --- |
| 2012–2013 | School 2013 | Shin Hye-sun | KBS2 | - |
| 2014 | Angel Eyes | young Cha Min-soo | SBS | - |
| 2014 | High School King of Savvy | Go Yoon-joo | tvN | - |
| 2014–2015 | Forever Young | Han Mi-so | VTV | - |
| 2015 | Oh My Ghost | Kang Eun-hee | tvN | - |
| 2015 | She Was Pretty | Han Seol | MBC | - |
| 2016 | Five Enough | Lee Yeon-tae | KBS2 | - |
| 2016 | Legend of the Blue Sea | Cha Si-ah | SBS | - |
| 2017 | Stranger | Young Eun-soo | tvN | - |
| 2017–2018 | My Golden Life | Seo Ji-an | KBS2 | - |
| 2018 | Still 17 | Woo Seo-ri | SBS | - |
| 2018 | The Hymn of Death | Yun Sim-deok | SBS | - |
| 2019 | Angel's Last Mission: Love | Lee Yeon-seo | KBS2 | - |


Question
What network cast Shin Hye-sun the most frequently?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Shin Hye-sun was cast by KBS2 in the series School 2013, Five enough, My Golden Life, and Angel's Last Mission: Love, for a total of 4 series."]