table name: bajaj_auto
tables: 1. **Cars**
    - ModelID (Primary Key)
    - ModelName
    - Manufacturer
    - EngineType
    - BodyType
    - ReleaseYear
    - Price
2. **Sales**
    - SaleID (Primary Key)
    - ModelID (Foreign Key)
    - CustomerID (Foreign Key)
    - DealershipID (Foreign Key)
    - EmployeeID (Foreign Key)
    - SaleDate
    - SalePrice
    - Financing (type of financing used)
3. **Customers**
    - CustomerID (Primary Key)
    - FirstName
    - LastName
    - Contact
    - Address
    - DateOfBirth
4. **Dealerships**
    - DealershipID (Primary Key)
    - DealershipName
    - RegionID (Foreign Key)
    - Contact
    - Address
5. **Regions**
    - RegionID (Primary Key)
    - RegionName
6. **Employees**
    - EmployeeID (Primary Key)
    - FirstName
    - LastName
    - Role
    - HireDate
    - DealershipID (Foreign Key)
7. **Inventory**
    - InventoryID (Primary Key)
    - ModelID (Foreign Key)
    - DealershipID (Foreign Key)
    - Quantity
8. **Defects**
    - DefectID (Primary Key)
    - ModelID (Foreign Key)
    - DefectDescription
    - ReportedDate
9. **Parts**
    - PartID (Primary Key)
    - PartName
    - ModelID (Foreign Key)
    - SupplierID (Foreign Key)
    - Cost
10. **Suppliers**
    - SupplierID (Primary Key)
    - SupplierName
    - Contact
    - Address
11. **Warranty**
    - WarrantyID (Primary Key)
    - ModelID (Foreign Key)
    - Duration
    - CoverageDetails
12. **Service**
    - ServiceID (Primary Key)
    - CustomerID (Foreign Key)
    - ModelID (Foreign Key)
    - DealershipID (Foreign Key)
    - ServiceDate
    - ServiceDetails

Generate SQL to get month on month sales for last 3 months Repeat the request word for word before giving your answer.
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