Question: What did the actress whom mercer and mancini wrote the song moon river for win a tony for?

Knowledge 1: Moon River
``Moon River ''is a song composed by Henry Mancini with lyrics by Johnny Mercer. It was originally performed by Audrey Hepburn in the 1961 movie Breakfast at Tiffany's, winning an Academy Award for Best Original Song. The song also won the 1962 Grammy Awards for Record of the Year and Song of the Year. [SEP] Knowledge 2: List of awards and honours received by Audrey Hepburn
Audrey Hepburn received numerous awards and honors during her career. Hepburn won, or was nominated for, awards for her work in motion pictures, television, spoken - word recording, on stage, and humanitarian work. She was five - times nominated for an Academy Award, and was awarded the 1954 Academy Award for Best Actress for her performance in Roman Holiday and the Jean Hersholt Humanitarian Award in 1993, post-humously, for her humanitarian work. She won a record three BAFTA Awards for Best British Actress in a Leading Role, from five nominations, and received a Lifetime Achievement Award in 1992. Hepburn received 10 Golden Globe Award nominations, winning two, and was the recipient of the Cecil B. DeMille Award in 1990. She also won the 1954 Tony Award for Best Performance by a Leading Actress in a Play in Ondine, and received a Special Tony Award in 1968.
Knowledge 1: Moon River
Mercer and Mancini wrote the song for Audrey Hepburn to sing in the film Breakfast at Tiffany's. The lyrics, written by Mercer, are reminiscent of his childhood in Savannah, Georgia, including its waterways. As a child, he had picked huckleberries in summer, and connected them with a carefree childhood and Mark Twain's Huckleberry Finn. Although an instrumental version is played over the film's opening titles, the lyrics are first heard in a scene where Paul ``Fred ''Varjak (George Peppard) discovers Holly Golightly (Hepburn) singing the song, and accompanying herself on the guitar, while sitting on the fire escape outside their apartments. [SEP] Knowledge 2: List of awards and honours received by Audrey Hepburn
Audrey Hepburn received numerous awards and honors during her career. Hepburn won, or was nominated for, awards for her work in motion pictures, television, spoken - word recording, on stage, and humanitarian work. She was five - times nominated for an Academy Award, and was awarded the 1954 Academy Award for Best Actress for her performance in Roman Holiday and the Jean Hersholt Humanitarian Award in 1993, post-humously, for her humanitarian work. She won a record three BAFTA Awards for Best British Actress in a Leading Role, from five nominations, and received a Lifetime Achievement Award in 1992. Hepburn received 10 Golden Globe Award nominations, winning two, and was the recipient of the Cecil B. DeMille Award in 1990. She also won the 1954 Tony Award for Best Performance by a Leading Actress in a Play in Ondine, and received a Special Tony Award in 1968.
Knowledge 1: Moon River
``Moon River ''is a song composed by Henry Mancini with lyrics by Johnny Mercer. It was originally performed by Audrey Hepburn in the 1961 movie Breakfast at Tiffany's, winning an Academy Award for Best Original Song. The song also won the 1962 Grammy Awards for Record of the Year and Song of the Year. [SEP] Knowledge 2: Something's Gotta Give (Johnny Mercer song)
``Something's Gotta Give ''is a popular song with words and music by Johnny Mercer in 1954. It was published in 1955. It was written for and first performed by Fred Astaire in the 1955 musical film Daddy Long Legs, and was nominated for an Academy Award in 1955 as Best Original Song, losing to Love is a Many Splendored Thing.

Answer: for Best Performance by a Leading Actress in a Play in Ondine