When 7.55 is the amount of viewers what is the lowest number?
CREATE TABLE table_24781886_2 (_number INTEGER, viewers VARCHAR)
SELECT MIN(_number) FROM table_24781886_2 WHERE viewers = "7.55"
### Context: CREATE TABLE table_24781886_2 (_number INTEGER, viewers VARCHAR) ### Question: When 7.55 is the amount of viewers what is the lowest number? ### Answer: SELECT MIN(_number) FROM table_24781886_2 WHERE viewers = "7.55"