instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
What city principal no proper has a population of 1,345,596?
answer:
What city proper has a population of 1,345,596?


question:
What process attributes significantly no no old wealth to those that already have it?
answer:
What process attributes old wealth to those that already have it?


question:
It was or actually what was suggested in immunology before the 19th century?
answer:

What was suggested in immunology before the 19th century?