Question: The video with the most dislikes on youtube?

context: In March 2011, "Baby", which then had 1.17 million dislikes, was surpassed by the video for Rebecca Black's "Friday", yielding more than 1.2 million dislikes. "Friday" amassed more than three million dislikes before the video was taken down in June 2011. The video was reinstated three months later and has not been taken down since.
question: What was the video with the most dislikes on YouTube on June 16, 2011?
short_answers: "Baby"
context: In March 2011, "Baby", which then had 1.17 million dislikes, was surpassed by the video for Rebecca Black's "Friday", yielding more than 1.2 million dislikes. "Friday" amassed more than three million dislikes before the video was taken down in June 2011. The video was reinstated three months later and has not been taken down since.
question: What was the video with the most dislikes on YouTube on March 29, 2011?
short_answers: "Friday"
context: No context provided
question: What was the video with the most dislikes on YouTube on approximately August 21, 2010?
short_answers: "Baby"

Answer: On August 21, 2010 the video of Justin Bieber's song "Baby" had the most dislikes on YouTube. On March 29, 2011 the video of Rebecca Black's song "Friday" had the most dislikes on YouTube. On June 16, 2011 Justin Bieber's song "Baby" featuring Ludacris had the most dislikes on YouTube.