CREATE TABLE table_70227 ("Year" FLOAT, "Team" CLOB, "Co-Drivers" CLOB, "Class" CLOB, "Pos." CLOB, "Class Pos." CLOB)

Which class has a Year of 1968?
SELECT "Class" FROM table_70227 WHERE "Year" = '1968'
SELECT "Class" FROM "table_70227" WHERE "Year" = '1968'