This constellation with a ranking of 51 has how many percentages on record?
CREATE TABLE table_177766_1 (per VARCHAR, rank VARCHAR)
SELECT COUNT(per) AS ­cent­age FROM table_177766_1 WHERE rank = 51
### Context: CREATE TABLE table_177766_1 (per VARCHAR, rank VARCHAR) ### Question: This constellation with a ranking of 51 has how many percentages on record? ### Answer: SELECT COUNT(per) AS ­cent­age FROM table_177766_1 WHERE rank = 51