prvide code in Sql and an equivalent equation in Relational Algebra for the question asked below

In Relational Algebra and in SQL, Display the first and last names of all managers that earn over $92,000, that manage other employees over the age of 25, and who have also turned in timecards for the months of August and September of the year 2020. Also show me the age of these managers and the dates they turned in the timecards for the months mentioned above. zipcodes zipcode city state 0..* FK 1..1 employees CK 1 id phone first_name last_name street zipcode age salary manager CK 1 FK PK 0..1 10..1 0..* 1..1 * 0.. FK timecards serial number year week employee date_submitted PK 1..1 1..* FK timecard project hours_spent PK timecard_entries FK 0..* 1..1 PK code name budget start_date director FK projects 0..*