CREATE TABLE table_1868929_1 (upper_index_kcal__nm_3 VARCHAR(255), lower_index_mj__nm_3 VARCHAR(255))
Name the upper index kcal/nm3 for 62.47
    
SQL: SELECT upper_index_kcal__nm_3 FROM table_1868929_1 WHERE lower_index_mj__nm_3 = "62.47"