Based on the clue 'a few years after rolls died in a plane crash he s...', what is the answer?

What is associated with: a few of these large bovines still exist in the wild in tibet at elevations over 14000 feet? What is associated with: a few rare 1965 quarters were still made of this metal the mint switched to a clad coin that y… Based on the clue 'a few weeks before his own death whittier wrote hi...', what is the answer? What is associated with: a few weeks before their 1864 wedding his fiancee elizabeth called him her old fellow with the… Based on the clue 'a few years after serving as a captain in the fran...', what is the answer? Based on the clue 'a few years after the death of antipater in 43 bc ...', what is the answer? Based on the clue 'a few years back wrigley field introduced the nort...', what is the answer? Based on the clue 'a few years before playing john robinson in lost i...', what is the answer?