2011 World Youth Championships in Athletics – boys' 400 metres hurdles
{'<entity_0>': '2011 World Youth Championships in Athletics', '<entity_1>': "2011 World Youth Championships in Athletics – boys' 400 metres hurdles"}
[["2011 World Youth Championships in Athletics – boys' 400 metres hurdles", 'part of', '2011 World Youth Championships in Athletics']]
The <entity_1> at the <entity_0> was held at the Stadium Nord Lille Métropole on 6, 7 July and 9 July.
['sporting event']