CREATE TABLE table_55697 ("D 41" TEXT, "D 42" TEXT, "D 43" TEXT, "D 44" TEXT, "D 45" TEXT, "D 46" TEXT, "D 47" TEXT, "R 53" TEXT, "R 52" TEXT, "R 51" TEXT)

Tell me the D 41 for D 43 of d 18
SELECT "D 41" FROM table_55697 WHERE "D 43" = 'd 18'
SELECT "D 41" FROM "table_55697" WHERE "D 43" = 'd 18'