The Leader of the Opposition of Singapore is usually the leader of the second largest political party represented in the Parliament of Singapore. During the 1955 Legislative Assembly election, the late Lee Kuan Yew was the "de facto" Leader of the Opposition, as the People's Action Party was then the second largest political party represented in the Legislative Assembly.
During the 1955 Legislative Assembly election Lee Kuan Yew was a de facto leader.
A: Yes

Chicken Shack are a British blues band, founded in the mid-1960s by Stan Webb (guitar and vocals), Andy Silvester (bass guitar), and Alan Morley (drums), who were later joined by Christine Perfect (McVie) (vocals and keyboards) in 1968. Chicken Shack has performed with various line-ups, Stan Webb being the only constant member.
Chicken Shack original had 3 members
A: Yes

Kirill Olegovich Starkov (Russian:Кирилл Олегович Старков, born March 31, 1987), is a professional Danish ice hockey player. He is playing for HC Red Ice in the Swiss National League B. He has previously played for CSKA Moscow, Syracuse Crunch, Youngstown Steelhounds, Red Deer Rebels, Frölunda HC, Timrå IK, Esbjerg IK and IK Oskarshamn.
Kirill Olegovich Starkov was born within the last 55 years.
A:
Yes