CREATE TABLE "jarno_tapers" (
  "taper" text,
  "large_end" real,
  "small_end" real,
  "length" real,
  "taper_ft" real,
  "taper_in" real,
  "angle_from_center" real
);

Question: Which Large end has a Taper/ft smaller than 0.6000000000000001?
SQL: SELECT COUNT("large_end") FROM "jarno_tapers" WHERE "taper_ft"<0.6000000000000001;

Question: Which Taper/ft that has a Large end smaller than 0.5, and a Taper of #2?
SQL: SELECT MAX("taper_ft") FROM "jarno_tapers" WHERE "large_end"<0.5 AND "taper"='#2';

Question: Which Taper/in that has a Small end larger than 0.7000000000000001, and a Taper of #19, and a Large end larger than 2.375?
SQL: SELECT MIN("taper_in") FROM "jarno_tapers" WHERE "small_end">0.7000000000000001 AND "taper"='#19' AND "large_end">2.375;

Question: Which Length has a Taper of #15, and a Large end larger than 1.875?
SQL: SELECT MAX("length") FROM "jarno_tapers" WHERE "taper"='#15' AND "large_end">1.875;

Question: Which Angle from center/° has a Taper/ft smaller than 0.6000000000000001?
SQL: SELECT COUNT("angle_from_center") FROM "jarno_tapers" WHERE "taper_ft"<0.6000000000000001;