context: The 11 September 2001 attack is the date and year of the four joint attacks carried out by the al-Qaida terrorist group against the United States. According to officials, it is alleged that Al-Qaida forces seized four planes and used them as weapons to attack planes in buildings in New York and Washington DC. Recently 3,000 people lost their lives in the attack.
question: How many people lost their lives in the attack on September 11, 2001?
answers.text: 3,000