Table:
text: 2006 Japanese television dramas
2006 Summer Season
2006 Summer Season
Japanese_Title Romaji_Title TV_Station Episodes Average_Ratings
サプリ Sapuri Fuji TV 11 14.2%
不信のとき～ウーマン・ウォーズ～ Fushin no Toki ~Woman Wars~ Fuji TV 12 12.9%
結婚できない男 Kekkon Dekinai Otoko Fuji TV 12 17.1%
ダンドリ。～Dance☆Drill～ DanDori.~Dance☆Drill~ Fuji TV 11 8.9%
誰よりもママを愛す Dare Yorimo Mama wo Ai su TBS 11 10.4%
花嫁は厄年ッ! Hanayome wa Yakudoshi! TBS 12 12.0%
タイヨウのうた Taiyou no Uta TBS 10 10.3%
レガッタ～君といた永遠～ Regatta~Kimi to Ita Eien~ TV-Asahi 9 5.4%
下北サンデーズ Shimokita Sundays TV-Asahi 9 7.3%
CAとお呼びっ! CA to Oyobbi! NTV 11 9.5%
マイ☆ボス マイ☆ヒーロー MY☆BOSS MY☆HERO NTV 10 18.9%

Question: If the average rating of Japanese TV series in 2006 is 10.3%, what is the average episode rating in the 2006 season of the 2006 summer season?

Question: What was the least episode of the 2006 summer season among the 2006 Japanese TV dramas with the romaji title Regatta~Kimi to Ita Eien~?