Original: In 2005, the stadium size criterion for entry to the SPL was reduced to 6,000, thereby allowing Inverness Caledonian Thistle to return to their home stadium during the 2005 06 season.
Simplified: In 2005, the stadium size criteria was reduced. This then allowed Inverness Caledonian Thistle to return to their home stadium during the 2005 - 06 season.