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_21114902_1 ( knockouts_of_the_night VARCHAR, fighter VARCHAR )

### Question ###
How many knockout of the night occurred when joe lauzon fought.

### Accurate SQL ###

SELECT knockouts_of_the_night FROM table_21114902_1 WHERE fighter = "Joe Lauzon"