[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify the code snippets into categories from the provided list of categories. List of categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']"}, {'role': 'user', 'content': "Identify to which category the provided code belongs and assign the code snippet to at least 1 but up to 5 categories based on the probabilities, ignore if the probability of the category is negligible. Strictly provide your response as a list. Avoid providing any additional information, commentary, or personal opinions.\\nPython Code:%%sql\nselect x.title\nfrom release_date x, release_date y\nwhere x.country = 'Germany' and y.country = 'USA'\nand x.date < y.date and x.title = y.title\nand x.year = 2014 and y.year = 2014;"}, {'role': 'assistant', 'content': "['helper_functions', 'data_exploration']"}]