CREATE TABLE table_78433 ("Driver" CLOB, "Constructor" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT)

How many laps did Ricardo Zonta have?
SELECT SUM("Laps") FROM table_78433 WHERE "Driver" = 'ricardo zonta'
SELECT SUM("Laps") FROM "table_78433" WHERE "Driver" = 'ricardo zonta'