Conversation so far:
what was Malcolm Marshall's international debut
Marshall made his Test début in the Second Test at Bangalore on 15 December 1978.
what was the second test at Banglore for Malcolm Marshall?
Marshall made his Test début in the Second Test at Bangalore on 15 December 1978.
did Malcolm Marshall win awards?
when did Malcolm Marshall start playing?
Malcolm Marshall was partly taught cricket by his grandfather, who helped to bring him up after his father's death.
where did Malcolm Marshall start playing?
Malcolm Marshall played cricket for the Banks Brewery team from 1976.
is there anything interesting about Malcolm Marshall's international debut?
Malcolm Marshall immediately developed a career-long antipathy to Dilip Vengsarkar due to his aggressive appealing.

Question: how old was he when he started?
Self-contained rewrite: how old was Malcolm Marshall when he started?