Question: In 1972, how many points did the entrant with the March 721G Chassis have?
SQL: SELECT "Points" FROM "2-1226504-1" WHERE "Year" > 1972.0 AND "Chassis" = 'March 721G';

Question: In 1971, how many total points did the entrant stp march have?
SQL: SELECT COUNT("Points") FROM "2-1226504-1" WHERE "Entrant" = 'stp march' AND "Year" > 1971.0;

Question: Which Chassis was featured in the year 1971?
SQL: SELECT "Chassis" FROM "2-1226504-1" WHERE "Year" = 1971.0;

Question: Which Chassis did the Entrant Clarke-Mordaunt-Guthrie-Durlacher carry?
SQL: SELECT "Chassis" FROM "2-1226504-1" WHERE "Entrant" = 'Clarke-Mordaunt-Guthrie-Durlacher';