What is the number listed in from for the Krueppel Like Transcription Factors?
CREATE TABLE "promoter" (
  "detailed_family_information" text,
  "from" real,
  "to" real,
  "anchor" real,
  "orientation" text,
  "conserved_in_mus_musculus" text,
  "matrix_sim" text,
  "sequence" text,
  "occurrence" real
);
SELECT MIN("from") FROM "promoter" WHERE "detailed_family_information"='Krueppel like transcription factors';