1.
SELECT filmcharacter, COUNT(*)
FROM filmcharacter
GROUP BY filmcharacter
HAVING COUNT(*) > 800
ORDER BY COUNT(*) DESC;

2.
SELECT P.personid, P.lastname
FROM person P, filmcharacter FC
WHERE P.firstname = 'Ingrid'
AND FC.filmcharacter = 'Ingrid';

3.
SELECT P.firstname, P.lastname, FC.filmcharacter, F.title
FROM person P, filmcharacter FC, filmparticipation FP, film F
WHERE FP.partid = FC.partid
AND FP.personid = P.personid
AND F.filmid = FP.filmid
AND P.personid = 3924169;

4.
SELECT P.personid, P.firstname, P.lastname, COUNT(*)
FROM person P, filmcharacter FC, filmparticipation FP
WHERE FP.partid = FC.partid
AND FP.personid = P.personid
AND FC.filmcharacter = 'Ingrid'
GROUP BY P.personid, P.firstname, P.lastname
ORDER BY COUNT(*) DESC
LIMIT 1;

5.
SELECT P.personid, P.firstname, P.lastname, FC.filmcharacter
FROM person P, filmcharacter FC, filmparticipation FP
WHERE FP.partid = FC.partid
AND FP.personid = P.personid
AND FC.filmcharacter = P.firstname
GROUP BY P.personid, P.firstname, P.lastname, FC.filmcharacter
ORDER BY COUNT(*) DESC
LIMIT 1;

6.
SELECT F.title, FP.parttype, COUNT(*)
FROM film F, filmitem FI, filmparticipation FP
WHERE F.title LIKE 'Lord of the Rings%'
AND F.filmid = FI.filmid
AND FP.filmid = F.filmid
AND FI.filmtype = 'C'
GROUP BY F.title, FP.parttype, F.filmid
ORDER BY F.title DESC;

7.
SELECT F.title
FROM film F, filmgenre FG
WHERE genre IN ('Film-Noir', 'Comedy')
AND F.filmid = FG.filmid
GROUP BY F.filmid, F.title
HAVING COUNT(*) = 2
ORDER BY F.title;

8.
WITH rolle AS (
	SELECT filmcharacter
	FROM filmcharacter
	GROUP BY filmcharacter
	HAVING count(*) = 1
)
SELECT P.firstname || ' ' || P.lastname
AS name, count(*)
FROM person P
INNER JOIN filmparticipation FP ON P.personid = FP.personid
INNER JOIN filmcharacter FC ON fp.partid = FC.partid
INNER JOIN rolle R ON FC.filmcharacter = R.filmcharacter
GROUP BY P.firstname, P.lastname HAVING count(*) > 199;