Question: Which mathematician is known in part for his work on interpolation, Nikolay Mitrofanovich Krylov or Mikhail Leonidovich Gromov?
{'answer': 'Nikolay Mitrofanovich Krylov', 'supporting_facts': [['Nikolay Mitrofanovich Krylov', 0], ['Mikhail Leonidovich Gromov', 0]]}