Instructions: Generate a correct and concise answer for the question based on the words in the context.
Input: Context : Umm Farwah bint al-Qasim (Arabic: أم فروة بنت القاسم‎) or Umm Farwah Fatimah was the wife Muhammad al-Baqir, and the mother of the sixth Imam, Ja'far al-Sadiq. 
Question : What is Umm Farwah bint al-Qasim's spouse's name?
Output:
Muhammad al-Baqir