Table: hubble_deep_field_south
Columns: camera
filter
wavelength
total_exposure_time
exposures

Question: what is the filter when the wavelength is 222mm (k-band)?
SQL: SELECT "filter" FROM hubble_deep_field_south WHERE "wavelength" = '222mm (K-band)'

Question: how many times was the exposures 53?
SQL: SELECT COUNT("camera") FROM hubble_deep_field_south WHERE "exposures" = 53

Question: how many exposures where there when the total exposure time is 105,000s?
SQL: SELECT "exposures" FROM hubble_deep_field_south WHERE "total_exposure_time" = '105,000s'

Question: what is the camera used when the wavelength is 814nm (i-band)?
SQL: SELECT "camera" FROM hubble_deep_field_south WHERE "wavelength" = '814nm (I-band)'