Table:
text: Umberto Maglioli
Complete Formula One World Championship results
Complete Formula One World Championship results
Year_ Entrant Chassis Engine Points
1953 Scuderia Ferrari Ferrari 553 Ferrari Straight-4 0
1954 Scuderia Ferrari Ferrari 625 Ferrari Straight-4 2
1954 Scuderia Ferrari Ferrari 553 Ferrari Straight-4 2
1955 Scuderia Ferrari Ferrari 625 Ferrari Straight-4 1 1⁄3
1955 Scuderia Ferrari Ferrari 555 Ferrari Straight-4 1 1⁄3
1956 Scuderia Guastalla Maserati 250F Maserati Straight-6 0
1956 Officine Alfieri Maserati Maserati 250F Maserati Straight-6 0
1957 Dr Ing F Porsche KG Porsche 550RS F2 Porsche Flat-4 0

Question: How many years was Scuderia Guastalla a total of Umberto Maglioli competitors?

Question: What was the earliest year in Umberto Maglioli's career that Scuderia Ferrari had 0 points?

Question: What is the total number of years that a Ferrari 625 chassis has and 2 points under Umberto Maglioli?