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_18733480_1 (air_date VARCHAR, team_1 VARCHAR)

### Question ###
What is the original air date that had the wykeham wonderers as team 1?

### Accurate SQL ###

SELECT air_date FROM table_18733480_1 WHERE team_1 = "Wykeham Wonderers"