Question: In 1911 congress decided to fix the size of the house at?
Disambiguated questions and answers: question: In 1911, Congress initially decided to fix the size of the House at? 
In 1911, Congress decided to fix the size of the House including new seats for new states at? 
answer:  433
 435
Natural Questions answer: 435 (from the Wikipedia article "Apportionment Act of 1911")