4.4 Query 4. For each Bar - Find the most expensive beer (highest price) or beers (If more than one beer is of the highest price) - You Provide It (Submission 5) Actions - Schema (i.e. columns) to be returned - (bar, beer, price) - Please use the relation operator functions to get the results. DO NOT use pythons aggregate functions to achieve the desired output. - Use Select function with price >=0 for removing NaN values - Columns in result/output can be displayed in any order. 4.4 Query 4. For each Bar - Find the most expensive beer (highest price) or beers (If more than one beer is of the highest price) - You Provide It (Submission 5) Actions - Schema (i.e. columns) to be returned - (bar, beer, price) - Please use the relation operator functions to get the results. DO NOT use pythons aggregate functions to achieve the desired output. - Use Select function with price >=0 for removing NaN values - Columns in result/output can be displayed in any order