Who's the inventor when it was mutated from Redsport Type 2, has a stripe pattern and a spur habit?
CREATE TABLE "mutant_cultivars" (
  "date" text,
  "inventor" text,
  "marketed_as" text,
  "mutated_from" text,
  "assignee" text,
  "habit" text,
  "pattern" text,
  "earlier" text,
  "color" text,
  "plant_patent_number" text
);
SELECT "inventor" FROM "mutant_cultivars" WHERE "habit"='spur' AND "pattern"='stripe' AND "mutated_from"='redsport type 2';