Database schema:
CREATE TABLE participants (
  id NUMBER PRIMARY KEY,
  name TEXT,
  popularity NUMBER
);
CREATE TABLE songs (
  id NUMBER PRIMARY KEY,
  language TEXT,
  original_artist TEXT,
  name TEXT,
  english_translation TEXT
);
CREATE TABLE performance_score (
  participant_id NUMBER PRIMARY KEY,
  songs_id NUMBER,
  voice_sound_quality NUMBER,
  rhythm_tempo NUMBER,
  stage_presence NUMBER,
  FOREIGN KEY (songs_id) REFERENCES songs(id),
  FOREIGN KEY (participant_id) REFERENCES participants(id)
);

Question: List the names and languages of the songs .
SQL: select name , language from songs

Question: What are the id and name of the participants who received score 5 for their sound quality or rhythm tempo?
SQL: SELECT T1.id ,  T1.name FROM participants AS T1 JOIN performance_score AS T2 ON T2.participant_id  =  T1.id WHERE T2.voice_sound_quality  =  5 OR T2.rhythm_tempo  =  5

Question: How many performances have a stage presence score less than 7 or higher than 9?
SQL: SELECT count(*) FROM performance_score WHERE stage_presence  <  7 OR stage_presence  >  9

Question: What are the maximum and minimum voice sound quality score of the performances?
SQL: SELECT max(voice_sound_quality) ,  min(voice_sound_quality) FROM performance_score

Question: Which song names have the substring "Is"?
SQL: SELECT name FROM songs WHERE name LIKE "%Is%"

Question: What are the ids and names of the participants who have performed at least two songs?
SQL: SELECT T1.id ,  T1.Name FROM participants AS T1 JOIN performance_score AS T2 ON T2.participant_id  =  T1.id GROUP BY T1.id HAVING count(*)  >=  2

Question: What are the voice sound quality score, rhythm tempo score and stage presence score performed by the participant named 'Freeway'?
SQL: SELECT T1.voice_sound_quality ,  T1.rhythm_tempo ,  T1.stage_presence FROM performance_score AS T1 JOIN participants AS T2 ON T1.participant_id  =  T2.id WHERE T2.name  =  'Freeway'

Question: Find the original artists who sing songs with rhythm tempo above 5 , and list results in descending order of voice sound quality .
SQL: select t2.original_artist from performance_score as t1 join songs as t2 on t2.id  =  t1.songs_id where t1.rhythm_tempo  >  5 order by t1.voice_sound_quality desc

Question: What are the name and popularity of participants who have sung a song both in 'Croatian' language and in 'English' language?
SQL: SELECT T1.name ,  T1.popularity FROM participants AS T1 JOIN performance_score AS T2 ON T2.participant_id  =  T1.id JOIN songs AS T3 ON T3.id  =  T2.songs_id WHERE T3.language  =  'Croatian' INTERSECT SELECT T1.name ,  T1.popularity FROM participants AS T1 JOIN performance_score AS T2 ON T2.participant_id  =  T1.id JOIN songs AS T3 ON T3.id  =  T2.songs_id WHERE T3.language  =  'English'

Question: What are the voice sound quality scores received for the song named ' The Balkan Girls ' in English language ?
SQL: SELECT T1.voice_sound_quality FROM performance_score AS T1 JOIN songs AS T2 ON T1.songs_id  =  T2.id WHERE T2.name  =  ' The Balkan Girls ' AND T2.language  =  'English'

Question: What are the ids, names and popularity of the participants, order by the number of songs they perform?
SQL: SELECT T1.id ,  T1.Name ,  T1.popularity FROM participants AS T1 JOIN performance_score AS T2 ON T2.participant_id  =  T1.id GROUP BY T1.id ORDER BY count(*)