Table:
text: Bangladesh Navy
D & R
D & R
Serial_Branch Seaman Mechanical Secretariat Supply Electrical Radio_Electrical Regulating Medical
7 MCPO ( Master Chief Petty Officer ) MCPO(E) MCPO(S) MCPO(S) MCPO(L) MCPO(R) MCPO(Reg) MCPO(Med)
8 Honorary Sub Lieutenant(X) Hon S Lt(E) Hon S Lt(S) Hon S Lt(S) Hon S Lt(L) Hon S Lt(R) Hon S Lt(Reg) Hon S Lt(W/M)

Question: How many branches does radio electric=hon s lt(r) have with the Bangladesh Navy?