What is the rnag for kippure transmitter? 
CREATE TABLE table_18475946_2 (rnag__mhz_ VARCHAR, transmitter VARCHAR)
SELECT rnag__mhz_ FROM table_18475946_2 WHERE transmitter = "Kippure"
### Context: CREATE TABLE table_18475946_2 (rnag__mhz_ VARCHAR, transmitter VARCHAR) ### Question: What is the rnag for kippure transmitter?  ### Answer: SELECT rnag__mhz_ FROM table_18475946_2 WHERE transmitter = "Kippure"