Table:
text: Jack Ahearn
Motorcycle Grand Prix results
Motorcycle Grand Prix results
Year_ Class_ Team Points Wins
1954 350cc Norton 0 0
1954 500cc Norton 0 0
1955 350cc Norton 0 0
1955 500cc Norton 1 0
1958 350cc AJS 0 0
1958 500cc Matchless 0 0
1962 350cc Norton 0 0
1962 500cc Norton 0 0
1963 125cc Ducati 0 0
1963 350cc Norton 4 0
1963 500cc Norton 5 1
1964 125cc Honda 0 0
1964 250cc Suzuki 0 0
1964 350cc Norton 1 0
1964 500cc Norton 25 1
1965 500cc Norton 9 0
1966 350cc Norton 8 0
1966 500cc Norton 13 0
1974 350cc Yamaha 0 0

Question: What was the average number of wins for the Norton team in 1966 when Jack Ahearn was 8 points behind?

Question: Under Jack Ahearn, what was the last year for the ajs team that had fewer than 0 wins?

Question: What was the lowest score in the years prior to 1958 when the class in Jack Ahearn was 350cc?

Question: Under Jack Ahearn what is the greatest number of wins if there are less than 5 points, the class is 500cc, the team is Norton and the year is younger than 1955?