"I Don't Know What It Is" is a song written and performed by Canadian-American singer-songwriter Rufus Wainwright. It was the first single from Wainwright's third studio album "Want One" and was released in a slim-line jewel case format on July 26, 2004.

Based on the paragraph above can we conclude that "It was the first and best single from Wainwright's studio album "Want One"."?
It's impossible to say