Question: Facts:   - sport: athletics    - event: 4 × 100m relay    - height: 1.77      - birth date: 23 june 1986    - weight: kg 67   Based on these bullet points, write a short biography describing the life of tang yik chun .
Answer:
tang yik chun -lrb- ; born 23 june 1986 -rrb- is a hong kong sprinter .he competed in the 4 × 100 m relay event at the 2012 summer olympics .