what is the camera used when the wavelength is 814nm (i-band)?
CREATE TABLE "observations_made_of_the_hdf_s_with_the_" (
  "camera" text,
  "filter" text,
  "wavelength" text,
  "total_exposure_time" text,
  "exposures" real
);
SELECT "camera" FROM "observations_made_of_the_hdf_s_with_the_" WHERE "wavelength"='814nm (I-band)';