provide a relational algebra expression

Symbols for Relational Algebre Expressions and Other Symbots Symbals for relation schemas: R, 5, T Symbots for relations: R. S, T Symbols for logical connectivest a, v, Symbols for comparison predicates: 2?4,w2,x2,2, Symbols for set-theoretical operations: E, 1,c1,c1,2,7 Other mathertatical symbols: 1.,3,8,4k, Ail names (for example, for relations and attributes) should be written in normal font (no italics) to increase readability. Ali symbols should be surrounded by blanks to increase readability. Database schema Library (IID, name, foundationYear) Branch(bID, branchName, dddress, phoneNuijer, totalBooks, 1ID) Book(ISBN, title, publicationYear, aID, DID) Author(aID, name, birthDate, nationality) Patron(pID, name, address, phoneNumber, library(ardNumber, fine) Publisher (pbID, name, address, phoneNumber) Genre(gID, name, description) Member(bID, pID) BranchBooks(bID, ISBN) BookGenre(ISBN, gID) BookRent(ISBN, RID, startDate, dueDate, returnstatus) Query Find the names, phone numbers, and fines of patrons who have the highest amount of fines at "branchA" (name and unique)