Conversation so far:
Where did Maya Angelou grow up?
Marguerite Annie Johnson was born in St. Louis, Missouri, on April 4, 1928.
Who were Maya Angelou's parents?
Maya Angelou's parents were Bailey Johnson, a doorman and navy dietitian, and Vivian Johnson, a nurse and card dealer.
Was Maya Angelou an only child?
Maya Angelou had an older brother, Bailey Jr.
How was Maya Angelou's childhood?
When Maya Angelou was three, her parents' calamitous marriage ended, and their father sent her to Stamps, Arkansas, alone by train, to live with their paternal grandmother, Annie Henderson.

Question: how long did she live there
Self-contained rewrite: How long did Maya Angelou live in Stamps, Arkansas?