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_name_80 ( core__number INTEGER, part_number_opn_ VARCHAR, tdp__w_ VARCHAR )

### Question ###
What is the sum of core# with a part number of osa242cep5au and TDP greater than 82.1?

### Accurate SQL ###

SELECT SUM(core__number) FROM table_name_80 WHERE part_number_opn_ = "osa242cep5au" AND tdp__w_ > 82.1