In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
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Question: Passage: Samuel James "Sam" Ervin Jr. (September 27, 1896April 23, 1985) was an American politician. A Democrat, he served as a U.S. Senator from North Carolina from 1954 to 1974. A native of Morganton, he liked to call himself a "country lawyer," and often told humorous stories in his Southern drawl. During his Senate career, Ervin was a legal defender of the Jim Crow laws and racial segregation, as the South's constitutional expert during the congressional debates on civil rights. Unexpectedly, he became a liberal hero for his support of civil liberties. He is remembered for his work in the investigation committees that brought down Senator Joseph McCarthy in 1954 and especially for his investigation of the Watergate scandal in 1972 that led to the resignation of Richard Nixon.
 Link Information: Ervin was a legal defender of the Jim Crow laws Answer: 69

Answer: How old was Ervin when enforcement of the Jim Crow laws ended?


Question: Passage: Former Black Sabbath members vocalist Ronnie James Dio and drummer Vinny Appice formed Dio in October 1982 in the United States with bassist Jimmy Bain and guitarist Vivian Campbell. The band released their debut album, Holy Diver in May 1983. Since Ronnie James Dio and Jimmy Bain had played keyboards on the record, they recruited keyboardist Claude Schnell for live shows in 1983 and the following Holy Diver tour. Claude Schnell would later become a full member of Dio, and the band's first recorded effort as a quintet would be 1984's The Last in Line. The band proceeded to release Sacred Heart in 1985 and The Dio E.P. in 1986 before Campbell was fired from the band. The remaining members were joined by guitarist Craig Goldy to release Dream Evil in 1987 before the departure of Bain, Appice and Schnell. They would not play in Dio together again, however Appice would return to the band between 1993 and 1998 as well as Bain between 1999 and 2004.
 Link Information: The band released their debut album, Holy Diver in May 1983. Answer: 9

Answer: How many songs are on Dio's debut album?


Question: Passage: During the Second World War, Hallowes initially served with the 2nd Battalion, the Gordon Highlanders in the defence of Malaya against Japan in 1942. His unit was one of the last to escape into Singapore before the causeway to Malaya was destroyed. When Singapore surrendered on 15 February 1942, Hallowes joined Major "Nick" Nicholson to form one of two pairs of officers who were sent to carry the order to ceasefire to garrisons on the islands of Pulau Blakang Mati and Pulau Brani. They were given permission to try to escape from the Japanese after the order was delivered. They took a boat to the east coast of Sumatra, and walked to Padang, from whence they were rescued by Royal Navy destroyer which called in to refuel after the Battle of the Java Sea. They were shipped to Ceylon, and then flown to India.
 Link Information: none Answer: none

Answer:
On what date was the causeway to Malaya destroyed?