Which Body Width/mm has a Lead Pitch/mm smaller than 0.55, and a Part Number of tsop48?
CREATE TABLE "type_i" (
  "part_number" text,
  "pins" text,
  "body_width_mm" real,
  "body_length_mm" real,
  "lead_pitch_mm" real
);
SELECT MIN("body_width_mm") FROM "type_i" WHERE "lead_pitch_mm"<0.55 AND "part_number"='tsop48';