Question: What artistic style is use by the artist that created  the series titled Water Lillies?
Answer(s):
answer: Modern art
answer: Impressionism

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:visual_art.visual_artist.art_series ns:m.02w1tg1 . 
?c ns:visual_art.visual_artist.associated_periods_or_movements ?x .
}