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_21091982_3 (tournament_venue__city_ VARCHAR, conference VARCHAR)

### Question ###
Where was the Ivy League conference tournament?

### Accurate SQL ###

SELECT tournament_venue__city_ FROM table_21091982_3 WHERE conference = "Ivy League"