The Hacker News BigQuery data makes this quite easy:
select * from `bigquery-public-data.hacker_news.full` where `by` = 'ilaksh' and type = 'comment' order by timestamp desc
EDIT: seems this is out of date
select * from `bigquery-public-data.hacker_news.full` where `by` = 'ilaksh' and type = 'comment' order by timestamp desc
EDIT: seems this is out of date