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_75 ( national_final_main_host VARCHAR, venue VARCHAR, selection_show VARCHAR )

### Question ###
What is the name of the national final main host at BBC Television Centre, and the selection show was Eurovision: Your Country Needs You?

### Accurate SQL ###

SELECT national_final_main_host FROM table_name_75 WHERE venue = "bbc television centre" AND selection_show = "eurovision: your country needs you"