instruction: Given a reference text about the 2022 Mazar-i-Sharif mosque bombing, how many people were injured and killed?
context: 2022 Mazar-i-Sharif mosque bombing
  
  On 21 April 2022, a powerful bomb rocked the Shia Seh Dokan mosque in Mazar-i-Sharif, Balkh Province, Afghanistan killing at least 31 people and injuring more than 87 others. The Islamic State – Khorasan Province claimed responsibility via Telegram.
  
  Worshippers were performing the Zuhr prayer inside the mosque when the bomb exploded. Authorities counted 31 dead and at least 87 injured, six of whom were wounded critically.
  
  The bombing was part of a series of attacks on the same day, including two explosions targeting Taliban officers in Kunduz and Khogyani District and a bombing that injured two Shia children in Kabul.
response: At least 31 people were killed and more than 87 others were injured in the 2022 Mazar-i-Sharif mosque bombing.