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_55332 ( "Serial" real, "Airborne Unit" text, "Troop carrier Group" text, "# of C-47s" real, "UK Base" text, "Drop Zone" text, "Drop Zone Time" real )

### Question ###
What is the average drop zone time in the N drop zone for the 1st Pathfinder Prov.?

### Accurate SQL ###

SELECT AVG("Drop Zone Time") FROM table_55332 WHERE "Drop Zone" = 'n' AND "Troop carrier Group" = '1st pathfinder prov.'