CREATE TABLE table_62331 ("Month" CLOB, "15th- 20th century" CLOB, "U.S.  ( 1912 ) " CLOB, "U.S.  ( 2013 ) " CLOB, "Britain  ( 2013 ) " CLOB, "Hindu" CLOB)

In 1912 when the U.S used sapphire, what was the Hindu birthstone?
SELECT "Hindu" FROM table_62331 WHERE "U.S. (1912)" = 'sapphire'
SELECT "Hindu" FROM "table_62331" WHERE "U.S. (1912)" = 'sapphire'