Dr. Bell advised my father to write to Mr. Anagnos, director of the Perkins Institution in Boston, the scene of Dr. Howe's great labours for the blind, and ask him if he had a teacher competent to begin my education. This my father did at once, and in a few weeks there came a kind letter from Mr. Anagnos with the comforting assurance that a teacher had been found. This was in the summer of 1886. But Miss Sullivan did not arrive until the following March. —The Story of My Life,
Helen Keller

Which is the best summary of this paragraph?

Dr. Bell advised Keller’s father to write to Mr. Anagnos. In a few weeks there came a kind letter saying that a teacher had been found.
In the summer of 1886, Keller’s father wrote a letter asking if there was a teacher for Helen. The teacher did not arrive until March.
Keller’s father contacted the director of the Perkins Institution and requested a teacher for his daughter. After a long wait, Miss Sullivan arrived at the Kellers’ house in March 1887.