Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Award Ceremony | Category | Nominee | Result |
| --- | --- | --- | --- | --- |
| 1979.0 | Tony Award | Best Musical | Best Musical | Won |
| 1979.0 | Tony Award | Best Book of a Musical | Hugh Wheeler | Won |
| 1979.0 | Tony Award | Best Original Score | Stephen Sondheim | Won |
| 1979.0 | Tony Award | Best Performance by a Leading Actor in a Musical | Len Cariou | Won |
| 1979.0 | Tony Award | Best Performance by a Leading Actress in a Musical | Angela Lansbury | Won |
| 1979.0 | Tony Award | Best Direction of a Musical | Harold Prince | Won |
| 1979.0 | Tony Award | Best Scenic Design | Eugene Lee | Won |
| 1979.0 | Tony Award | Best Costume Design | Franne Lee | Won |
| 1979.0 | Tony Award | Best Lighting Design | Ken Billington | Nominated |
| 1979.0 | Drama Desk Award | Outstanding Musical | Outstanding Musical | Won |
| 1979.0 | Drama Desk Award | Outstanding Book of a Musical | Hugh Wheeler | Won |
| 1979.0 | Drama Desk Award | Outstanding Lyrics | Stephen Sondheim | Won |
| 1979.0 | Drama Desk Award | Outstanding Music | Stephen Sondheim | Won |
| 1979.0 | Drama Desk Award | Outstanding Actor in a Musical | Len Cariou | Won |
| 1979.0 | Drama Desk Award | Outstanding Actress in a Musical | Angela Lansbury | Won |
| 1979.0 | Drama Desk Award | Outstanding Featured Actor in a Musical | Ken Jennings | Won |
| 1979.0 | Drama Desk Award | Outstanding Featured Actress in a Musical | Merle Louise | Won |
| 1979.0 | Drama Desk Award | Outstanding Choreography | Larry Fuller | Nominated |
| 1979.0 | Drama Desk Award | Outstanding Director of a Musical | Harold Prince | Won |
| 1979.0 | Drama Desk Award | Outstanding Set Design | Eugene Lee | Nominated |
| 1979.0 | Drama Desk Award | Outstanding Costume Design | Franne Lee | Nominated |
| 1979.0 | Drama Desk Award | Outstanding Lighting Design | Ken Billington | Nominated |
Question:
Which Nominee has an Award Ceremony of tony award, and a Category of the best performance by a leading actor in a musical?
Answer:
Len Cariou