The suppliers table is empty. Open its tab to see the columns and their types.

1. Add supplier 1: Kraken Supply Co, from CA, a supplier since 2023-04-01.

2. Add these three suppliers with one INSERT:

   id	name	country	since
   2	Golem Goods	US	2024-01-15
   3	Northern Monster Plush Ltd	GB	2022-11-30
   4	Lyon Print House	FR	2024-06-01

   Read the error. How many of the three rows did the INSERT add?

3. The shop uses the short name Northern Plush for supplier 3. Add all three suppliers.

4. Supplier 5 is Mystery Maker. You know only its id and its name. Before you add it: which value will its country get?

5. Add supplier 5 with only its id and its name.