query: # people born on e. g. “February 10” (february of year 10 AD) which should probably be “february 10th of unknown year” in P3150
  SELECT ?person ?personLabel ?dob WHERE {
    ?person p:P569/psv:P569 [
      wikibase:timeValue ?dob;
      wikibase:timePrecision 10
    ].
    BIND(YEAR(?dob) AS ?year).
    FILTER(1 <= ?year && ?year <= 31).
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en".
      ?person rdfs:label ?personLabel.
    }
  }