 Complete the following phrase:  registered voters, the lowest of the 12 prefectures that were represented by 4 Councillors at that time. By comparison, the three most populous districts of Hokkaido, Hyogo at-large district and Fukuoka districts each had more than 4 million voters but were also represented by four Councillors each. To address this malapportionment, a November 2012 amendment to the Public Offices Election Law reduced Fukushimas and Gifus representation to two Councillors. This change began to take effect at the 