Conversation so far:
Did Sergio play on any youth teams?
Aguero represented Argentina at two FIFA World Youth Championships.
How did his team do during those championships?
winning back-to-back world titles.
Was that the first time a team did that?
CANNOTANSWER.

Question: Did he play with any other notable players during this time?
Self-contained rewrite: Did Agüero play with any notable player aside from youth team?