For which 100 m group ( moa ) is the 300 m group ( moa ) 0.63
CREATE TABLE "design_details" (
  "308_winchester_cartridge_type" text,
  "100_m_group_mm" text,
  "100_m_group_moa" text,
  "300_m_group_mm" text,
  "300_m_group_moa" text
);
SELECT "100_m_group_moa" FROM "design_details" WHERE "300_m_group_moa"='0.63';