Maria Fernanda Costa phá kỷ lục Nam Mỹ cá nhân ở cự ly 200m tự do ngắn

core_answer: Stage-2 deep analysis indicates Maria Fernanda Costa has lowered her own South American record in the SCM 200 Freestyle. Source quality cannot be fully verified as Stage-1 listed `Source: None` for all information points. All performance data below should be checked against official timing databases.
key_facts: Event: SCM 200 Freestyle; Achievement: Personal South American record lowered by Maria Fernanda Costa; Source status: None - verification against official timing databases required; Note: Performance data must be checked against official sources before any publication; Impact: Highlights achievements in short course swimming for South American athletes
source_attribution: Stage-2 Deep Analysis based on public information and null-value handling protocol, current date
related_qa: Q: Who is Maria Fernanda Costa? A: A Brazilian swimmer who set a new South American record in the 200m SCM freestyle.; Q: What is SCM? A: Short Course Meter, a swimming pool length of 25 meters.; Q: Why is source verification important? A: Because Stage-1 had no sources listed, all data must be checked against official timing databases.