Simplify the following text for a Grade 13 native English-speaking person.
Original: The Governor-General of Pakistan was the resident representative of King George VI in Pakistan from 1947 to 1952 and then Queen Elizabeth II ( `` Queen of Pakistan '' ) from 1952 until 1956 when Pakistan was proclaimed a republic .
Simplified: The Governor-General of Pakistan was the resident representative of the British monarch ( as `` King\/Queen of Pakistan '' ) in Pakistan from 1947 to 1956 , when Pakistan was proclaimed a republic .