CREATE TABLE table_70235 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

What is the largest year with an Entrant of ron harris / team lotus?
SELECT MAX("Year") FROM table_70235 WHERE "Entrant" = 'ron harris / team lotus'
SELECT MAX("Year") FROM "table_70235" WHERE "Entrant" = 'ron harris / team lotus'