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_7 (elevated VARCHAR, elevator VARCHAR, cardinalatial_order_and_title VARCHAR)

### Question ###
What is the date of elevation for the Cardinal elevated by Nicholas III to the title of Cardinal-Deacon of S. Eustachio?

### Accurate SQL ###

SELECT elevated FROM table_name_7 WHERE elevator = "nicholas iii" AND cardinalatial_order_and_title = "cardinal-deacon of s. eustachio"