Table:
text: Sweeney Todd: The Demon Barber of Fleet Street
Original Broadway production
Original Broadway production
Year_ Award_Ceremony Category Nominee Result_
1979 Tony Award Best Musical Best Musical Won
1979 Tony Award Best Book of a Musical Hugh Wheeler Won
1979 Tony Award Best Original Score Stephen Sondheim Won
1979 Tony Award Best Performance by a Leading Actor in a Musical Len Cariou Won
1979 Tony Award Best Performance by a Leading Actress in a Musical Angela Lansbury Won
1979 Tony Award Best Direction of a Musical Harold Prince Won
1979 Tony Award Best Scenic Design Eugene Lee Won
1979 Tony Award Best Costume Design Franne Lee Won
1979 Tony Award Best Lighting Design Ken Billington Nominated

text: Sweeney Todd: The Demon Barber of Fleet Street
Original Broadway production
Original Broadway production
Year_ Award_Ceremony Category Nominee Result_
1979 Drama Desk Award Outstanding Musical Outstanding Musical Won
1979 Drama Desk Award Outstanding Book of a Musical Hugh Wheeler Won
1979 Drama Desk Award Outstanding Lyrics Stephen Sondheim Won
1979 Drama Desk Award Outstanding Music Stephen Sondheim Won
1979 Drama Desk Award Outstanding Actor in a Musical Len Cariou Won
1979 Drama Desk Award Outstanding Actress in a Musical Angela Lansbury Won
1979 Drama Desk Award Outstanding Featured Actor in a Musical Ken Jennings Won
1979 Drama Desk Award Outstanding Featured Actress in a Musical Merle Louise Won
1979 Drama Desk Award Outstanding Choreography Larry Fuller Nominated

Question: Which Year of Sweeney Todd: The Demon Barber of Fleet Street has a Stephen Sondheim nominee and a Best Original Score category in the Original Broadway Production category?