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_65660 ( "School" text, "City" text, "Mascot" text, "County" text, "Year joined" real, "Previous Conference" text, "Year Left" real, "Conference Joined" text )

### Question ###
What is the year that the Gary team with mascot of the Tornado joined?

### Accurate SQL ###

SELECT MIN("Year joined") FROM table_65660 WHERE "City" = 'gary' AND "Mascot" = 'tornado'