For what team is the cricket bowler, who is considered to be the fastest, play a role of captain?
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. Karachi Dolphins:  The Dolphins' home ground is National Stadium in Karachi's north end. Karachi Dolphins:  Their general manager is headed by Razziq Rabbani, while the team coach is Azam Khan. Karachi Dolphins:  The Dolphins' team captain is Mohammad Sami. Karachi Dolphins:  The Dolphins have yet to win the Faysal Bank T20 Cup championship.
i don't know