Best Actress Award in Drama series in 27th Screen Actors Guild(SAG) Awards was won by  whom?
Gillian Anderson for her performance as Margaret Thatcher
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: Best Actress Award in Drama series in 27th Screen Actors Guild(SAG) Awards was won by  whom?
### Input: 
### Response: Gillian Anderson for her performance as Margaret Thatcher