For the question "Give me a list of patients that are triggered and have surgery done in the last 3 months" the resulting dataframe contains columns  p.patient_id and date.
This dataframe is stored with variable name df. Write a python line for a graph with df.plot() that best answers the question.

df. Provide your response in exactly 6 paragraphs (separated nearby paragraphs with 3 aterisk symbols ***).
user