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 pilot ( Pilot_ID int, Pilot_name text, Rank int, Age int, Nationality text, Position text, Join_Year int, Team text )
TABLE: CREATE TABLE pilot_record ( Record_ID int, Pilot_ID int, Aircraft_ID int, Date text )
TABLE: CREATE TABLE aircraft ( Aircraft_ID int, Order_Year int, Manufacturer text, Model text, Fleet_Series text, Powertrain text, Fuel_Propulsion text )

### Question ###
Bar graph to show the total number from different nationality

### Accurate SQL ###

SELECT Nationality, COUNT(*) FROM pilot GROUP BY Nationality