Given a passage and a question, find the answer to the question based on the passage. The answer should consist of only one word that lies in the span of only one of the sentences in the passage.

[EX Q]: Paragraph: The working income tax benefit ( WITB ) is a refundable tax credit in Canada , similar to the Earned Income Tax Credit ( EITC ) in the United States . Introduced in 2007 , it offers tax relief to working low - income individuals and encourages others to enter the workforce . The WITB has been expanded considerably since its introduction .
Question: when did the working income tax benefit come into effect

[EX A]: 2007

[EX Q]: Paragraph: Lynn 's relationship with the Wilburn Brothers and her appearances on the Grand Ole Opry , beginning in 1960 , helped Lynn become the number one female recording artist in country music . Her contract with the Wilburn Brothers gave them the publishing rights to her material . She was still fighting to regain these rights 30 years after ending her business relationship with them but was ultimately denied the publishing rights . Lynn stopped writing music in the 1970s because of these contracts . Although Kitty Wells had become the first major female country vocalist during the 1950s , by the time Lynn recorded her first record , only three other women -- Patsy Cline , Skeeter Davis , and Jean Shepard -- had become top stars . Lynn joined The Grand Ole Opry on September 25 , 1962 .
Question: when did loretta lynn first appear on the grand ole opry

[EX A]: 1960

[EX Q]: Paragraph: The Milwaukee Brewers ' 1998 season was the first season for the franchise as a member of the National League . The Brewers finished in fifth in the NL Central , 28 games behind the Houston Astros , with a record of 74 wins and 88 losses . Before the 1998 regular season began , two new teams -- the Arizona Diamondbacks and Tampa Bay Devil Rays -- were added by Major League Baseball . This resulted in the American League and National League having fifteen teams . However , in order for MLB officials to continue primarily intraleague play , both leagues would need to carry a number of teams that was divisible by two , so the decision was made to move one club from the AL Central to the NL Central .
Question: when did the brewers go to national league

[EX A]:
1998

