Can someone help me with questions 3 and 4?

3) Design a database for keeping track of the exploits of your favorite sports game. You should store the matches played, the players in each match and players' scores for each match. Your design should include an E-R diagram. Convert the ER-diagram into a set of tables. For each table, specify the candidate keys, primary key and the foreign keys. Each match is described by a unique match ID, a date and a stadium the match is played at, along with the final score for that match, the opponent name and the opponent's final score. Each player is described by his/her ID, name, gender and age. A number of players play for each match, but each player plays only for one match at a time. 4) Consider the following information in an airport database, draw an E-R diagram for the database. Convert the ER-diagram into a set of tables. For each table, specify the candidate keys, primary key and the foreign keys. An airport is described by its name and the city where the airport is located in. Each airplane has a registration number and the date of production as its descriptive attributes. Each airplane model is identified by a model number and has a capacity and a weight. A technician is characterized by an ID, a name and a phone number