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_56 (human_resources_ VARCHAR, _operations VARCHAR, academic_ VARCHAR, _university_affairs VARCHAR)

### Question ###
Who was in Human Resources & Operations when David Hornsby was in Academic & University Affairs?

### Accurate SQL ###

SELECT human_resources_ & _operations FROM table_name_56 WHERE academic_ & _university_affairs = "david hornsby"