CREATE TABLE table_1868929_1 (upper_index_kcal__nm_3 VARCHAR, lower_index_mj__nm_3 VARCHAR)

Name the upper index kcal/nm3 for 62.47
SELECT upper_index_kcal__nm_3 FROM table_1868929_1 WHERE lower_index_mj__nm_3 = "62.47"
SELECT "upper_index_kcal__nm_3" FROM "table_1868929_1" WHERE "62.47" = "lower_index_mj__nm_3"