instruction:
This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.
question:
Passage: Current manager, Roberto Martínez, is the fourteenth permanent holder of the position since it was established in 1939. There have also been four caretaker managers, and before 1939 the team was selected by either the club secretary or by committee. The club's longest-serving manager has been Harry Catterick, who was in charge of the team from 1961–73, taking in 594 first team matches. The Everton manager to win most domestic and international trophies is Howard Kendall, who won two Division One championships, the 1984 FA Cup, the 1984 UEFA Cup Winners' Cup, and three Charity Shields. Question: When did Harry Catterick manage the Everton Football Club?
answer:
1961–73


question:
Passage: Oskar Luts was the most prominent prose writer of the early Estonian literature, who is still widely read today, especially his lyrical school novel Kevade (Spring). Anton Hansen Tammsaare's social epic and psychological realist pentalogy Truth and Justice captured the evolution of Estonian society from a peasant community to an independent nation. In modern times, Jaan Kross and Jaan Kaplinski are Estonia's best known and most translated writers. Among the most popular writers of the late 20th and early 21st centuries are Tõnu Õnnepalu and Andrus Kivirähk, who uses elements of Estonian folklore and mythology, deforming them into absurd and grotesque. Question: What is the name of the book written by Anton Hansen Tammsaare?
answer:
Truth and Justice


question:
Passage: Israel, and The US Air Force, in conjunction with the members of NATO, has developed significant tactics for air defence suppression. Dedicated weapons such as anti-radiation missiles and advanced electronics intelligence and electronic countermeasures platforms seek to suppress or negate the effectiveness of an opposing air-defence system. It is an arms race; as better jamming, countermeasures and anti-radiation weapons are developed, so are better SAM systems with ECCM capabilities and the ability to shoot down anti-radiation missiles and other munitions aimed at them or the targets they are defending. Question: As better weapons are created, what systems continue to improve as well to counter them?
answer:

SAM systems with ECCM capabilities