Teacher:Generate a correct and concise answer for the question based on the words in the context.
Teacher: Now, understand the problem? Solve this instance: Context : Josef Aloys Frolich or Alois von Frolich (10 March 1766, Marktoberdorf -- 11 March 1841) was a German doctor, botanist and entomologist.
Question : The year Josef Aloys Frolich died was what?
Student:
11 March 1841