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_2668378_13 ( candidates VARCHAR, district VARCHAR )

### Question ###
who was running in the section pennsylvania 5

### Accurate SQL ###

SELECT candidates FROM table_2668378_13 WHERE district = "Pennsylvania 5"