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_16432543_1 (nickname VARCHAR, established VARCHAR)

### Question ###
Nickname of the school established in 1773

### Accurate SQL ###

SELECT nickname FROM table_16432543_1 WHERE established = 1773