From Wiktionary, the free dictionary
だから何だ • (da kara nan da)
- so what
- だから何だという感じですが、面白いかもね。
- Da kara nan da to iu kanji desu ga, omoshiroi ka mo ne.
- You might think "so what", but it might be interesting.
- (literally, “It has a feeling of "so what", but it might be interesting.”)