Conversation so far:
What was Nuclear policy and its connection with Nawaz Sharif?
Nawaz Sharif made the nuclear weapons and energy programme one of his top priorities.
How was Nawaz Sharif involved with Nuclear policy?
Nawaz Sharif expanded the nuclear energy program, and continued an atomic programme while following a policy of deliberate nuclear ambiguity
When did Nawaz Sharif announce nuclear policy?
Did Nawaz Sharif give any speeches on nuclear policy?
Was Nawaz Sharif popular in the media?
Was Nawaz Sharif associated with anyone?

Question: What was his biggest success?
Self-contained rewrite: What was Nawaz Sharif's biggest success?