CREATE TABLE table_1868929_1 (lower_index_kcal__nm_3 VARCHAR(255), upper_index_mj__nm_3 VARCHAR(255))
Name the lower index kcal/ nm3 for 61.32
    
SQL: SELECT lower_index_kcal__nm_3 FROM table_1868929_1 WHERE upper_index_mj__nm_3 = "61.32"