CREATE TABLE table_56228 ("D 50" CLOB, "D 49" CLOB, "D 48" CLOB, "D 47" CLOB, "D 46" CLOB, "D 45" CLOB, "D 44" CLOB, "D 43" CLOB, "D 42" CLOB, "D 41" CLOB)

What is the D 42 when the D 50 is d 31?
SELECT "D 42" FROM table_56228 WHERE "D 50" = 'd 31'
SELECT "D 42" FROM "table_56228" WHERE "D 50" = 'd 31'