Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the sum of District, when Took Office is greater than 1981, and when Senator is Cyndi Taylor Krier?

### Inputs:
table_name: table, columns: ['Senator', 'Party', 'District', 'Home Town', 'Took Office']

### Response:
SELECT SUM District FROM table WHERE Took Office > 1981 AND Senator = cyndi taylor krier