What is the indoor number for the NER region? 
CREATE TABLE table_19534874_2 (indoor VARCHAR, region VARCHAR)
SELECT COUNT(indoor) FROM table_19534874_2 WHERE region = "NER"
### Context: CREATE TABLE table_19534874_2 (indoor VARCHAR, region VARCHAR) ### Question: What is the indoor number for the NER region?  ### Answer: SELECT COUNT(indoor) FROM table_19534874_2 WHERE region = "NER"