user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Filmography' regarding 'Simon Merrells'
Table Content:
| Year | Title | Role |
| --- | --- | --- |
| 2009 | Invisible Eyes | Dan |
| 2010 | The Wolfman | Ben Talbot |
| 2013 | Spartacus: War of the Damned | Marcus Licinius Crassus |
| 2013 | Judas Ghost | Mark Vega |
| 2014 | Index Zero | Kurt |
| 2014 | The Tomorrow People | Founder |
| 2015 | Billionaire Ransom | Jonathan Tilton-Scofield |
| 2016 | Victrix | Marius |
| 2017–18 | Legends of Tomorrow | Julius Caesar |
| 2017 | Knightfall | Tancrede de Hautville |
| 2018 | 12 Monkeys | Andrus |


Question
Who did Merrells cast in "Knightfall" in 2017?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Merrells was cast as Tancrede de Hautville in Knightfall, in 2017."]