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 people ( People_ID int, Name text, Age real, Height real, Hometown text )
TABLE: CREATE TABLE gymnast ( Gymnast_ID int, Floor_Exercise_Points real, Pommel_Horse_Points real, Rings_Points real, Vault_Points real, Parallel_Bars_Points real, Horizontal_Bar_Points real, Total_Points real )

### Question ###
Display a bar chart for what are the hometowns of gymnasts and the corresponding number of gymnasts?

### Accurate SQL ###

SELECT Hometown, COUNT(*) FROM gymnast AS T1 JOIN people AS T2 ON T1.Gymnast_ID = T2.People_ID GROUP BY T2.Hometown