question:
The 33 13 rpm LP (for "long-play") format was developed by Columbia Records and marketed in June 1948.
When did the 33 1/3 rpm hit the market?

answer: yes

question:
Regularity is a concept based on adherence to Masonic Landmarks, the basic membership requirements, tenets and rituals of the craft.
What concept is based on adherence to Masonic Landmarks, basic membership requirements, and tenets and rituals of the craft?

answer: yes

question:
The latter museum also displays the city's photographic library.
Where is the city's photographic library?

answer: no

question:
Much of El Salvador was home to the Pipil, the Lenca, Xinca, and Kakawira.
El Salvador was home to which indigenous peoples?

answer:
yes