Table:
text: British Racing Partnership
As a constructor
As a constructor
Year_ Chassis Engines Tyres Points
1963 BRP 1 BRM V8 D 6
1963 BRP 1 BRM V8 D 6
1964 BRP 1 BRP 2 BRM V8 D 5
1964 BRP 1 BRP 2 BRM V8 D 5
1964 BRP 1 BRP 2 BRM V8 D 5

Question: What was the low point of the British Racing Partnership after 1963?

Question: What chassis was used when British Racing Partnership scored over 6 points?

Question: What is the average score of drivers before 1964 for British Racing Partnership?