CREATE TABLE table_46138 ("Name" TEXT, "Latitude" TEXT, "Longitude" TEXT, "Diameter" FLOAT, "Year named" FLOAT)

What is the latitude of the point with a longitude of 147.1w?
SELECT "Latitude" FROM table_46138 WHERE "Longitude" = '147.1w'
SELECT "Latitude" FROM "table_46138" WHERE "Longitude" = '147.1w'