Final answer:
The provided reference material does not contain information about the construction of the SkyDome or related fatalities, so an accurate answer cannot be given based on the provided references. For precise details, one should consider consulting construction records or local histories of the SkyDome.
Step-by-step explanation:
The question concerning the number of people killed during the construction of the SkyDome has no information provided in the reference. The provided reference material does not mention the construction of the SkyDome or any related fatalities. It might be more helpful to look into construction records or local histories pertaining to the SkyDome for accurate data on this matter.