Question: Whar did Sarfraz Ahmed do after Azhar Ali stepped down?

full_context: Document 1: Sarfraz Ahmed: Sarfraz Ahmed (Urdu: ‎ ; born 22 May 1987) is a wicketkeeper- batsman who plays international cricket for Pakistan and is also the current captain of the Pakistan cricket team in all 3 formats of the game. In addition to his captaincy duties, he led Pakistan to Champions Trophy glory in June 2017. Sarfraz was named as Pakistan's Twenty20 International captain following the 2016 ICC World Twenty20 in India, while he was named Pakistan's ODI Captain on February 9, 2017 after Azhar Ali stepped down. He took up the Test captaincy mantle for his team following the retirement of Misbah-ul-Haq and became the 32nd Test captain of the Pakistan Cricket Team doing so.
Document 2: Abdul Razzaq (cricketer): Abdul Razzaq (Urdu: عبد الرزاق, born 2 December 1979) is a former Pakistani cricketer, who played all formats of the game. He is a right arm fast-medium bowler and a right-handed batsman, who emerged in international cricket in 1996 with his One Day International debut against Zimbabwe at his home ground in Gaddafi Stadium, Pakistan, just one month before his seventeenth birthday. He was the part of the Pakistan Cricket Team squad that won the ICC World Twenty20 2009. He played 265 ODIs and 46 Tests and is widely regarded as one of the best All-Rounders to have played for his country.
Document 3: Lahore Qalandars: Lahore Qalandars (Urdu: ‎ ; Punjabi: ; acronym LQ) is a Pakistani professional cricket franchise which plays in the Pakistan Super League.The Home ground of the team is Gaddafi Stadium.It nominally represents the city of Lahore and the province Punjab in the league. The team is owned by Qatar Lubricants Company Limited (QALCO).The team is currently captained by Brendon McCullum and coached by Paddy Upton, a former South African cricketer. Lahore Qalandars was the second most expensive franchise and was one of the few teams sold to an international company.
Document 4: Azhar Ali: Domestically, he has played for Khan Research Laboratories, Lahore, Lahore Eagles, Lahore Lions, Lahore Qalandars, Pakistan A and Huntly (Scotland) during his career. He was the captain of Lahore Qalandars in the first edition of the Pakistan Super League.
Document 5: Quetta Gladiators in 2017: The Quetta Gladiators is a franchise cricket team that represents Quetta in the Pakistan Super League. They are one of the five teams that had a competition in the 2017 Pakistan Super League. The team was captained by Sarfraz Ahmed, and they stand on second position after winning four matches from their eight matches in the PSL 2017. They finished runners-up for the second time after losing the final against Peshawar Zalmi.
Document 6: Durban Qalandars: The Durban Qalandars is a professional franchise Twenty20 cricket team of the T20 Global League in South Africa, which represents the city of Durban. It is owned by Fawad Rana, a Pakistani businessman who also owns the Lahore Qalandars franchise in Pakistan Super League. The marquee player of Durban Qalandars is Hashim Amla. The team logo is similar to Lahore Qalandars logo.
Document 7: List of Pakistan national cricket captains: This is a list of Pakistani national cricket captains who have represented the Pakistani national cricket team in international cricket at a professional level. Pakistan became an official member of the Imperial Cricket Conference (now the International Cricket Council) on 28 July 1953.
Document 8: Shahid Afridi: Sahibzada Mohammad Shahid Khan Afridi (Urdu: ‎ ; Pashto: شاهد اپریدی‎ ; born 1980), popularly as Shahid "Boom Boom" Afridi, is a former Pakistani cricketer and former captain of the Pakistan national cricket team. Considered as one of the most destructive batsman of all time, Afridi is known for his aggressive batting style and relies on chage of pace rather than spin as a bowler, and was the world record holder for the fastest ODI century in 37 deliveries. He also holds the distinction of having hit the most number of sixes in the history of ODI cricket.
Document 9: Karachi Kings in 2016: The Karachi Kings is a franchise cricket team that represents Karachi in the Pakistan Super League. They are one of the five teams that had a competition in the 2016 Pakistan Super League. The team was captained by Shoaib Malik and then by Ravi Bopara, and they stand on fourth position after winning just two matches from their eight matches in the PSL 2016.
Document 10: Peshawar Zalmi in 2016: The Peshawar Zalmi is a franchise cricket team that represents Peshawar in the Pakistan Super League. They are one of the five teams that had a competition in the 2016 Pakistan Super League. The team was captained by Shahid Afridi, and they stand on first position after winning six matches from their eight matches in the PSL 2016.
Document 11: Quetta Gladiators in 2016: The Quetta Gladiators is a franchise cricket team that represents Quetta in the Pakistan Super League. They are one of the five teams that had a competition in the 2016 Pakistan Super League. The team was captained by Sarfraz Ahmed, and they stand on second position after winning four matches from their eight matches in the PSL 2016. They finished runners-up after losing the final against Islamabad United. Ahmed Shehzad with 290 runs from 10 matches was team's leading run scorer while Mohammad Nawaz with 13 wickets from 10 matches was the leading wicket taker for the team. They won runners-up prize money of US$ 200,000.
Document 12: Adnan Akmal: Adnan Akmal (Urdu: ‎ ), born 13 March 1985, is a Pakistani cricketer. He is a right-handed batsman and wicket-keeper who plays for Zarai Taraqiati Bank Ltd Cricket Team and has represented his country at U-17 level. Most recently, he was called up for Pakistan's tour against South Africa in the UAE, as a replacement for the first choice keeper, Zulqarnain Haider. His brothers, Kamran Akmal and Umar Akmal, both have central contracts with the Pakistan Cricket Board, and are regular fixtures in the national side. Adnan made his Test debut against South Africa on 12 November 2010.
Document 13: Karachi Dolphins: The Karachi Dolphins are a limited overs cricket team based in Karachi which plays in Pakistan's National One-day Championship and domestic Twenty 20. The Dolphins' home ground is National Stadium in Karachi's north end. Their general manager is headed by Razziq Rabbani, while the team coach is Azam Khan. The Dolphins' team captain is Mohammad Sami. The Dolphins have yet to win the Faysal Bank T20 Cup championship. However, they have been runners-up on several occasions during the 2004/05, 2006/07, 2007/08, 2009/10, 2010/11, super 8 2011 and Super 8 2012 seasons.
Document 14: 2016 Pakistan Cup: The 2016 Pakistan Cup was a five-team one-day cricket tournament based on a draft system. It started on 19 April in Faisalabad and included teams from the country's four provinces and a Federal Capital side. Sarfraz Ahmed, Shoaib Malik, Younis Khan, Azhar Ali and Misbah-Ul-Haq led the sides from Sindh, Punjab, Khyber Pakhtunkhwa, Balochistan and Islamabad. Khyber Pakhtunkhwa won the tournament after defeating Punjab in the final by 151 runs.
Document 15: Peshawar Zalmi: Peshawar Zalmi (Pashto: پېښور زلمي‎ ; Urdu: ‎ ; lit. "Peshawar Youth") is a Pakistani franchise T20 cricket team which plays in the Pakistan Super League and represents Peshawar, capital city of the Khyber Pakhtunkhwa province of Pakistan. It is owned by Javed Afridi of Haier Pakistan, who also owns the Benoni Zalmi franchise in the T20 Global League of South Africa. Peshawar Zalmi was established in 2015 following the announcement of the inaugural Pakistan Super League (PSL) by the Pakistan Cricket Board (PCB). Darren Sammy is the current captain of the team as of October 2016 and Mohammad Akram is the head coach.
ground_truth: He took up the Test captaincy