Conversation so far:
which city is the metropolitan city of pakistan
Karachi is the largest city in Pakistan
what's the capital of pakistan
Islamabad is the capital city of Pakistan.
what is the official language of pakistan
Urdu and English are the official languages of Pakistan
what is the main religion of pakistan
The state religion in Pakistan is Sunni Islam.

Question: who is the prime minister
Self-contained rewrite: who is the prime minister of pakistan