Table: peter_whitehead_racing_stats
Columns: year
entrant
chassis
engine
points

Question: What is the sum of all the points won by Peter Whitehead in an alta f2 Chassis?
SQL: SELECT SUM("points") FROM peter_whitehead_racing_stats WHERE "entrant" = 'peter whitehead' AND "chassis" = 'alta f2'

Question: How many points does g a vandervell have?
SQL: SELECT "points" FROM peter_whitehead_racing_stats WHERE "entrant" = 'g a vandervell'

Question: How many total points were earned with ferrari 125 Chassis after 1952?
SQL: SELECT SUM("points") FROM peter_whitehead_racing_stats WHERE "chassis" = 'ferrari 125' AND "year" > 1952

Question: What is the total number of Points that Peter Whitehead earned in a Ferrari 125?
SQL: SELECT SUM("points") FROM peter_whitehead_racing_stats WHERE "entrant" = 'peter whitehead' AND "chassis" = 'ferrari 125'