CREATE TABLE table_71436 ("Year" FLOAT, "Team" CLOB, "Co-Drivers" CLOB, "Class" CLOB, "Laps" FLOAT, "Pos." CLOB, "Class Pos." CLOB)

What year has WSC class?
SELECT "Year" FROM table_71436 WHERE "Class" = 'wsc'
SELECT "Year" FROM "table_71436" WHERE "Class" = 'wsc'