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_68 (partner VARCHAR, date VARCHAR, opponents_in_the_final VARCHAR)

### Question ###
Name the Partner which is in 1979, and Opponents in the final of heinz günthardt bob hewitt?

### Accurate SQL ###

SELECT partner FROM table_name_68 WHERE date = 1979 AND opponents_in_the_final = "heinz günthardt bob hewitt"