original_query: Who was Maria Karolina Zofia Felicja Leszczyńska?
query: Who was Maria Karolina Zofia Felicja Leszczyńska?
answer: Maria Karolina Zofia Felicja Leszczyńska, also known as Marie Leczinska, was Queen of France as the wife of King Louis XV.  She was the daughter of King Stanislaus I of Poland and Catherine Opalińska, and served as Queen for 42 years, the longest of any queen in French history. She was known for her generosity and introduced Polish customs to the French royal court.