William Anders, mission, Apollo 8; William Anders, timeInSpace, "8820.0"(minutes); Apollo 8, backupPilot, Buzz Aldrin; Apollo 8, crewMembers, Frank Borman; William Anders, servedAsChiefOfTheAstronautOfficeIn, 1976; Apollo 8, operator, NASA

What is sentence that verbalizes this data?
William Anders served as a crew member of Apollo 8 and as Chief of the Astronaut Office in 1976. He walked in space for 8820 minutes. Buzz Aldrin was the backup pilot and Frank Borman a crew member. Apollo 8 was operated by NASA.