In the series A Song of Ice and Fire, who is the founder of House Hightower?
Uthor of the High Tower
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: In the series A Song of Ice and Fire, who is the founder of House Hightower?
### Input: 
### Response: Uthor of the High Tower