Create query.txt

query.txt

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+// specify attributes we want in the export
+[out:csv('name',::lat,::lon;true;',')];
+
+// search for Saint Louis with a specific wikidata id
+// avoiding places with the same name
+area
+  ["wikidata"="Q38022"]
+  ["name"="Saint Louis"]->.a;
+
+// filter nodes, ways and relations by attribute and area
+nwr["leisure"="park"][name](area.a);
+
+// calculate centroid of ways and relations
+out body center;