Question: In what Year did the norton Team have 0 Points and 350cc Class?
SQL: SELECT AVG("Year") FROM "2-15194193-3" WHERE "Class" = '350cc' AND "Team" = 'norton' AND "Points" < 0.0;

Question: What is the Wins before 1960 with less than 2 Points?
SQL: SELECT SUM("Wins") FROM "2-15194193-3" WHERE "Year" < 1960.0 AND "Points" < 2.0;

Question: What was the earliest Year the linto Team had less than 15 Points with more than 0 Wins?
SQL: SELECT MIN("Year") FROM "2-15194193-3" WHERE "Wins" > 0.0 AND "Team" = 'linto' AND "Points" < 15.0;