Question: Who are three of the most influential Palestinian relative to the  Israeli Palestinian conflict since 1981?
Answer(s):
answer: Mahmoud Abbas
answer: Yasser Arafat
answer: Hanan Ashrawi
answer: Abdullah of Saudi Arabia
answer: Ariel Sharon
answer: Colin Powell
answer: Yitzhak Rabin
answer: Shimon Peres

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0cj5y)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0cj5y ns:time.event.people_involved ?x .
?x ns:government.politician.government_positions_held ?c .
?c ns:government.government_position_held.from ?num .
FILTER (?num > "1981"^^xsd:dateTime) . 
}