Table: iomm_ttriders_2
Columns: place
rider
country
machine
speed
time
points

Question: Which rider from the 1971 Isle of Man Junior TT 250cc final standings had a speed equal to 86.15mph?
SQL: SELECT "rider" FROM iomm_ttriders_2 WHERE "speed" = '86.15mph'

Question: Which rider had a points score equal to 10?
SQL: SELECT "rider" FROM iomm_ttriders_2 WHERE "points" = 10