In this task, you're given passages that contain mentions of the quantity of a particular object and are supposed to find out the answer for a given question. Craft one correct answer to the question given in input. Make sure your correct answer is consistent with the context, and properly gives the exact number relating to the query.
 In your answer, use as few words as possible from the given context. To be less repetitive, please vary your language for each question.
--------
Question: Sentence: On April 9, 2007, it was announced that Apple had sold its one-hundred millionth iPod, making it the biggest selling digital music player of all time. In April 2007, Apple reported second quarter revenue of US$5.2 billion, of which 32% was made from iPod sales. Apple and several industry analysts suggest that iPod users are likely to purchase other Apple products such as Mac computers. 
Question: How many iPods did Apple reveal it sold in April of 2007?

Answer: hundred million


Question: Sentence: One of the main driving forces in the growth of the University was its football team, the Notre Dame Fighting Irish. Knute Rockne became head coach in 1918. Under Rockne, the Irish would post a record of 105 wins, 12 losses, and five ties. During his 13 years the Irish won three national championships, had five undefeated seasons, won the Rose Bowl in 1925, and produced players such as George Gipp and the "Four Horsemen". Knute Rockne has the highest winning percentage (.881) in NCAA Division I/FBS football history. Rockne's offenses employed the Notre Dame Box and his defenses ran a 7–2–2 scheme. The last game Rockne coached was on December 14, 1930 when he led a group of Notre Dame all-stars against the New York Giants in New York City. 
Question: How many national titles were won when Knute Rockne coached at Notre Dame?

Answer: three


Question: Sentence: Montana has 56 counties with the United States Census Bureau stating Montana's contains 364 "places", broken down into 129 incorporated places and 235 census-designated places. Incorporated places consist of 52 cities, 75 towns, and two consolidated city-counties. Montana has one city, Billings, with a population over 100,000; and two cities with populations over 50,000, Missoula and Great Falls. These three communities are considered the centers of Montana's three Metropolitan Statistical Areas. 
Question: How many counties does Montana have?

Answer:
56