Complex sentence: In 1977 the dispute regarding Alberton Oval was resolved and the club moved back to its home ground and won that years premiership breaking an 11-year drought which at the time was Port Adelaide longest since competing in an organised football competition.
Split into simpler sentences: In 1977 the dispute regarding Alberton Oval was resolved and the club moved back to its home ground. The 1977 premiership was notable as it broke an 11-year drought, the longest since Port Adelaide began competing in an organised football competition.