fixing bugs with school_question creation

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20181218154720) do
+ActiveRecord::Schema.define(version: 20181221180917) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -168,6 +168,7 @@ ActiveRecord::Schema.define(version: 20181218154720) do
     t.string   "year"
     t.datetime "created_at",         null: false
     t.datetime "updated_at",         null: false
+    t.integer  "response_total"
   end
 
   create_table "schools", force: :cascade do |t|

lib/tasks/data.rake

@@ -461,6 +461,7 @@ namespace :data do
             next if school.district.name != "Boston"
 
             attempt_data = Attempt.
+              joins(:question).
               created_in(school_category.year).
               for_question(question).
               for_school(school).
@@ -469,7 +470,7 @@ namespace :data do
 
             available_responders = school.available_responders_for(question)
 
-            school_question = school_category.school_questions.for(school, question)
+            school_question = school_category.school_questions.for(school, question).first
             if school_question.present?
               school_questions << school_question
             else