question:
The title of "world's oldest airport" is disputed, but College Park Airport in Maryland, US, established in 1909 by Wilbur Wright, is generally agreed to be the world's oldest continually operating airfield, although it serves only general aviation traffic.
Who established the College Park Airport?

answer: yes

question:
However, the energy account of the photoelectric effect didn't seem to agree with the wave description of light.
What other types of wave besides light has its own intensity?

answer: no

question:
While the housing and credit bubbles were building, a series of factors caused the financial system to both expand and become increasingly fragile, a process called financialization.
What process caused the financial system to both expand and become fragile?

answer: yes

question:
Baptist churches are widely considered to be Protestant churches, though some Baptists disavow this identity.
What type of baptism do Baptists conduct?

answer:
no