2018 FIFA World Cup qualification – CONCACAF Second Round
{'<entity_0>': '2018 FIFA World Cup qualification – CONCACAF Second Round', '<entity_1>': '2018 FIFA World Cup qualification (CONCACAF)', '<entity_2>': '2015', '<entity_3>': '20'}
[['2018 FIFA World Cup qualification – CONCACAF Second Round', 'part of', '2018 FIFA World Cup qualification (CONCACAF)'], ['2018 FIFA World Cup qualification – CONCACAF Second Round', 'number of matches played/races/starts', '20'], ['2018 FIFA World Cup qualification – CONCACAF Second Round', 'end time', '2015']]
The second round of <entity_1> for <entity_0> was played from 7 to <entity_2>. A total of <entity_3> teams (teams ranked 9–21 in the <entity_1> and seven first round winners) played home-and-away over two legs.
['sports season']