CREATE TABLE "michigan_29_northwestern_0" (
  "player" text,
  "touchdowns" real,
  "extra_points" real,
  "field_goals" real,
  "points" real
);

Question: What is the total number of field goals a player had when there were more than 0 extra points and there were 5 touchdowns?
SQL: SELECT COUNT("field_goals") FROM "michigan_29_northwestern_0" WHERE "extra_points">0 AND "touchdowns"=5;

Question: What is the sum of all the touchdowns when the player had more than 0 extra points and less than 0 field goals?
SQL: SELECT SUM("touchdowns") FROM "michigan_29_northwestern_0" WHERE "extra_points">0 AND "field_goals"<0;

Question: What is the total number of field goals for a player that had less than 3 touchdowns, had 4 points, and had less than 4 extra points?
SQL: SELECT COUNT("field_goals") FROM "michigan_29_northwestern_0" WHERE "touchdowns"<3 AND "points"=4 AND "extra_points"<4;