my @data = (
   [        # 0 (remember, we are zero-based)
      { name => "Shrek", event => "I saw shrek!" },
   ],
   undef,   # 1
   undef,   # 2
   undef,   # 3
   undef,   # 4
   [        # 5 - zero-based => 6th element
      { name => "Donkey", event => "I saw the donkey!" },
      { name => "Fiona", event => "I saw Fiona!" },
   ],
);