โรงไฟฟ้าประเภท BWR แห่งแรกสร้างและตั้งอยู่ที่ใด?ไม่จำเป็นต้องใช้ตารางทั้งหมด
Where is the first BWR type power plant built and located?It is not neccessary to use all the tables.
 nuclear_power_plants:  id [ text]  name [ text]  latitude [ text]  longitude [ text]  country [ text]  status [ text]  reactortype [ text]  reactormodel [ text]  constructionstartat [ text]  operationalfrom [ text]  operationalto [ text]  capacity [ text]  lastupdatedat [ text]  source [ text] 
SELECT longitude, latitude FROM nuclear_power_plants WHERE reactortype = "BWR" ORDER BY constructionstartat LIMIT 1