CREATE TABLE table_50432 ("Name" CLOB, "Latitude" CLOB, "Longitude" CLOB, "Diameter" FLOAT, "Year named" FLOAT)

What's the longitude for philae sulcus in 1997 with a diameter less than 1,575.0?
SELECT "Longitude" FROM table_50432 WHERE "Diameter" < '1,575.0' AND "Year named" = '1997' AND "Name" = 'philae sulcus'
SELECT "Longitude" FROM "table_50432" WHERE "Diameter" < '1,575.0' AND "Name" = 'philae sulcus' AND "Year named" = '1997'