CREATE TABLE table_70776 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

For engines of Maserati Straight-6 and entrants of H H Gould, what is the latest year?
SELECT MAX("Year") FROM table_70776 WHERE "Engine" = 'maserati straight-6' AND "Entrant" = 'h h gould'
SELECT MAX("Year") FROM "table_70776" WHERE "Engine" = 'maserati straight-6' AND "Entrant" = 'h h gould'