Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_1868929_1 ( lower_index_kcal__nm_3 VARCHAR, upper_index_mj__nm_3 VARCHAR )

### Question ###
Name the lower index kcal/ nm3 for 61.32

### Accurate SQL ###

SELECT lower_index_kcal__nm_3 FROM table_1868929_1 WHERE upper_index_mj__nm_3 = "61.32"