text: 
  exports.up = function(knex, Promise) {
    return knex.schema.createTable('jokelist', function (table) {
      table.increments();
      table.integer('setlist_id').references('id').inTable('setlists').notNullable();
      table.integer('joke_id').references('id').inTable('jokes').notNullable();
      table.integer('order_number')
      table.timestamp('created_at').defaultTo(knex.fn.now());
    });
  };
  
  exports.down = function(knex, Promise) {
    return knex.schema.dropTable('jokelist');
  };
  