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_21501511_1 (order__number VARCHAR, week__number VARCHAR)

### Question ###
What order did Lambert perform in the top 11?

### Accurate SQL ###

SELECT order__number FROM table_21501511_1 WHERE week__number = "Top 11"