What is the percentage of this constellation abbreviated as 'nor'?
CREATE TABLE table_177766_1 (per­cent­age VARCHAR, abbre­viation VARCHAR)
SELECT per­cent­age FROM table_177766_1 WHERE abbre­viation = "Nor"
### Context: CREATE TABLE table_177766_1 (per­cent­age VARCHAR, abbre­viation VARCHAR) ### Question: What is the percentage of this constellation abbreviated as 'nor'? ### Answer: SELECT per­cent­age FROM table_177766_1 WHERE abbre­viation = "Nor"