user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Rocket League' regarding 'Mousesports'
Table Content:
| ID | Name | Joined |
| --- | --- | --- |
| Alex161 | Germany Alex Ernst | 2018-07-30 |
| al0t | Sweden Linus Möllergren | 2019-01-10 |
| Tigreee | Germany Maik Hoffmann | 2018-07-30 |


Question
Which two teams joined the Mousesports on 2018-07-30?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["On July 30, 2018, Mousesports joined the Rocket League of Tigreee and Alex161."]