CREATE TABLE table_20106 ("No" FLOAT, "Driver" CLOB, "Entrant" CLOB, "Constructor" CLOB, "Chassis" CLOB, "Engine" CLOB)

How many cars used number 48?
SELECT COUNT("Engine") FROM table_20106 WHERE "No" = '48'
SELECT COUNT("Engine") FROM "table_20106" WHERE "No" = '48'