What power plant was commissioned in 2008?
CREATE TABLE "hydro_power_stations" (
  "s_no" real,
  "power_plant" text,
  "state" text,
  "commissioned_capacity_mw" real,
  "year_of_commission" real
);
SELECT "power_plant" FROM "hydro_power_stations" WHERE "year_of_commission"=2008;