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_11793221_4 (missing VARCHAR, commander VARCHAR)

### Question ###
What was the missing for lieutenant general sir thomas picton?

### Accurate SQL ###

SELECT missing FROM table_11793221_4 WHERE commander = "Lieutenant General Sir Thomas Picton"