What is the lowest half-life with a yield, neutrons per fission bigger than 0.0031000000000000003 and a decay constant less than 0.030500000000000003?
CREATE TABLE "principle" (
  "group" real,
  "half_life_s" real,
  "decay_constant_s_1" real,
  "yield_neutrons_per_fission" real,
  "fraction" real
);
SELECT MIN("half_life_s") FROM "principle" WHERE "yield_neutrons_per_fission">0.0031000000000000003 AND "decay_constant_s_1"<0.030500000000000003;