CREATE TABLE table_31755 ("Year" FLOAT, "Class" CLOB, "Team" CLOB, "Points" FLOAT, "Rank" CLOB, "Wins" FLOAT)

Tell me the year for class of 125cc
SELECT "Year" FROM table_31755 WHERE "Class" = '125cc'
SELECT "Year" FROM "table_31755" WHERE "Class" = '125cc'