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_29302781_12 (semifinalists VARCHAR, week_of VARCHAR, runner_up VARCHAR)

### Question ###
Who were the semifinalists in the week of 13 November when the runner-up was Pat Du Pré?

### Accurate SQL ###

SELECT semifinalists FROM table_29302781_12 WHERE week_of = "13 November" AND runner_up = "Pat Du Pré"