Question: Lynda Bird Johnson Robb is the oldest living child of a U.S. President following the death of a United States Army officer who served as the United States Ambassador to where?
Sentence (from "List of Presidents of the United States by age"): The first table charts the age of each United States president at the time of presidential inauguration (first inauguration if elected to multiple and consecutive terms), upon leaving office, and at the time of death.
Relevant evidence: No