Task: Text Categorization
Input (English): Text:  Ustad Ghulam Mustafa Khan (born March 3 1931) is an Indian classical musician in the Hindustani classical music tradition. He belongs to the Rampur-Sahaswan Gharana and he is the son of Waris Hussain Khan and grandson of Inayat Hussain Khan of Sahaswan Gharana.
Output (English): 3