instruction:
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.
question:
Paragraph: The first speed camera was installed in 1991 . A camera that was installed on the M40 motorway and recorded 400 instances of speeding within 40 minutes . The Association of British Drivers was formed the same year and campaigned vigorously against speed cameras .
Question: when was the first speed camera introduced in the uk

answer:
1991

question:
Paragraph: The only extended period of failure the Cardinals have experienced began when they joined the National League in 1892 . The Cardinals played only five winning seasons in 30 years while finishing last seven times from their entrance to the NL until 1921 . However , the Cardinals have remarkably avoided such failure since then as they have not finished in last place in the National League since 1918 , by far the longest streak in the NL . The Cardinals failed to reach the World Series in the 1950s , 1970s , and 1990s , but were regularly a competitive team in each of these decades .
Question: when was the last time the st louis cardinals finished in last place

answer:
1918

question:
Paragraph: McPartlin and Donnelly first met while working on the BBC children 's drama Byker Grove in 1989 . After a shaky start , they soon became best friends . They have achieved such popularity as a duo that they are hardly ever seen apart on screen . It is reported that they are each insured against the other 's death , with the amount reportedly being around 1,000,000 . Their inseparability has led to their receiving joint nominations for many awards . They are both managed by the James Grant Group .
Question: when did ant and dec join byker grove

answer:
1989