Context: During the summers at Nohant, particularly in the years 1839–43, Chopin found quiet, productive days during which he composed many works, including his Polonaise in A-flat major, Op. 53. Among the visitors to Nohant were Delacroix and the mezzo-soprano Pauline Viardot, whom Chopin had advised on piano technique and composition. Delacroix gives an account of staying at Nohant in a letter of 7 June 1842:

Question: What is the example given of a work produced by Frédéric during calm summers at Nohant?
Answer: Polonaise in A-flat major, Op. 53

Question: Which of the two people that visited Chopin were tutored by him on piano?
Answer: Pauline Viardot

Question: On what date did Delacroix write a letter based on his visit at Nohant?
Answer: 7 June 1842

Question: What did Chopin help Pauline Viardot with?
Answer: piano technique and composition

Question: Who were two visitors to Chopin while in Nohant?
Answer: Delacroix and the mezzo-soprano Pauline Viardot

Question: What two things did Chopin advise Viardot on?
Answer: piano technique and composition.

Question: Who wrote a letter on June 7, 1842 about a stay in Nohant?
Answer: Delacroix