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 Type_Of_Restaurant (Id VARCHAR)
TABLE: CREATE TABLE Restaurant (Id VARCHAR)
TABLE: CREATE TABLE Restaurant_Type (Id VARCHAR)

### Question ###
How many restaurant is the Sandwich type restaurant?

### Accurate SQL ###

SELECT COUNT(*) FROM Restaurant JOIN Type_Of_Restaurant ON Restaurant.ResID = Type_Of_Restaurant.ResID JOIN Restaurant_Type ON Type_Of_Restaurant.ResTypeID = Restaurant_Type.ResTypeID GROUP BY Type_Of_Restaurant.ResTypeID HAVING Restaurant_Type.ResTypeName = 'Sandwich'