CREATE TABLE table_62398 ("S.no." FLOAT, "Power Plant" TEXT, "State" TEXT, "Commissioned Capacity  ( MW ) " FLOAT, "year of commission" FLOAT)

What power plant was commissioned in 2008?
SELECT "Power Plant" FROM table_62398 WHERE "year of commission" = '2008'
SELECT "Power Plant" FROM "table_62398" WHERE "year of commission" = '2008'