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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18475946_2 (rnag__mhz_ VARCHAR, transmitter VARCHAR) Question: What is the rnag for kippure transmitter?  [/INST] SELECT rnag__mhz_ FROM table_18475946_2 WHERE transmitter = "Kippure" </s>