For the next three years , he served as a backbench supporter of David Peterson 's government .
He was elected to the Ontario legislature in the 1987 provincial election , defeating incumbent Progressive Conservative Peter Partington by 2001 votes in the constituency of St. Catharines -- Brock .
For the next three years , Peter Partington served as a backbench supporter of David Peterson 's government .
He was elected to the Ontario legislature in the 1987 provincial election , defeating incumbent Progressive Conservative Peter Partington by 2001 votes in the constituency of St. Catharines -- Brock .