diff --git a/select-from-nobel.sql b/select-from-nobel.sql
index 9e15cba..9bacc1c 100644
--- a/select-from-nobel.sql
+++ b/select-from-nobel.sql
@@ -119,7 +119,7 @@ The expression subject IN ('Chemistry','Physics') can be used as a value - it wi
 
 Show the 1984 winners ordered by subject and winner name; but list Chemistry and Physics last.
 */
-SELECT winner, subject, subject IN ('Physics','Chemistry')
+SELECT winner, subject
 FROM nobel
 WHERE yr=1984
 ORDER BY subject IN ('Physics','Chemistry'),subject,winner
diff --git a/select-in-select.sql b/select-in-select.sql
index 1d06af6..7b29d9b 100644
--- a/select-in-select.sql
+++ b/select-in-select.sql
@@ -48,7 +48,7 @@ Germany (population 80 million) has the largest population of the countries in E
 
 Show the name and the population of each country in Europe. Show the population as a percentage of the population of Germany.
 */
-SELECT name, CONCAT(ROUND(population/(SELECT population FROM world WHERE name = 'Germany'), 0), %)
+SELECT name, CONCAT(ROUND(population*100/(SELECT population FROM world WHERE name = 'Germany'), 0), '%')
 FROM world
 WHERE continent = 'Europe'