Question: What nationality was John Phillip's co-writer of The Mamas & The Papas pop hit "I Saw Her Again"? 

Context paragraphs:
All the Leaves Are Brown: All the Leaves are Brown: The Golden Era Collection is a 2001 release compiling the first four albums by The Mamas & the Papas in their entirety, with some single-exclusive mono versions and one non-album track.  The package includes a brief history of the group and its albums by Matthew Greenwald, author of "Creeque Alley: The Oral History of The Mamas & The Papas".

The Mamas &amp; The Papas Deliver: The Mamas & The Papas Deliver is the third album by The Mamas & the Papas, released in 1967.  It charted at #2 in "Billboard"'s "Top Pop" albums for 1967.  Three of the album's singles ranked in the "Pop Singles" chart: "Dedicated to the One I Love" at #2, "Creeque Alley" at #5 and "Look Through My Window" at #24.

I Saw Her Again: "I Saw Her Again" is a pop song recorded by the U.S. vocal group the Mamas & the Papas in 1966.  Co-written by band members John Phillips and Denny Doherty, it was released as a single in June 1966 (WLS played it most of that month) and peaked at number one on the "RPM" Canadian Singles Chart, number 11 on the UK Singles Chart, and number five on the "Billboard" Hot 100 pop singles chart in July 1966.  It appeared on their eponymous second album in September 1966.

Denny Doherty: Dennis Gerrard Stephen Doherty (November 29, 1940 – January 19, 2007) was a Canadian singer, songwriter, musician and actor.  He was most widely known as a founding member of the 1960s musical group The Mamas & the Papas.

The Papas &amp; The Mamas: The Papas & The Mamas is a 1968 album by The Mamas & the Papas.  It was their fourth and final album together before the group temporarily broke up before a brief 1971 reunion.

People Like Us (The Mamas &amp; the Papas album): People Like Us is the fifth and final studio album released by The Mamas & the Papas, in November 1971 (three years after the group originally split).  This album came to be because the former members of the group were still under contract with Dunhill Records.  The group had originally been signed to the label when it was run by their original producer Lou Adler, but by 1971, Dunhill's distributor, ABC Records, had purchased the label and discovered the clause in the group's original contract.  According to their contract, the group had to produce one more album, or else be in breach of contract and subject to possible fines.  Although the album has some memorable songs, it is considered a disappointment by fans and critics.  Nevertheless, the album sold moderately well.  (#84 on the Billboard Pop Albums Chart.)  It was produced by John Phillips.  Michelle Phillips wrote later in the liner note of a Mamas & Papas CD compilation that the album "sounded like what it was, four people trying to avoid a lawsuit".

Creeque Alley: “Creeque Alley” is an autobiographical hit single written by John Phillips and Michelle Phillips of The Mamas & the Papas, and composed by John Phillips, in 1967, narrating the story of how the group was formed, and its early years.  The third song on the album "Deliver," it peaked at #5 on the U.S. "Billboard" pop singles chart the week of Memorial Day, 1967.  It made #9 on the UK charts and #4 on the Canadian charts.

Cass Elliot: Cass Elliot (born Ellen Naomi Cohen; September 19, 1941 – July 29, 1974), also known as Mama Cass, was an American singer and actress, best known as a member of the Mamas & the Papas.  After the group broke up, she released five solo albums.  In 1998, Elliot, John Phillips, Denny Doherty, and Michelle Phillips were inducted into the Rock and Roll Hall of Fame for their work as the Mamas & the Papas.

The July 5th Album: The July 5th Album is the second compilation album by American pop group The 5th Dimension, released in 1970 by Soul City.  It is composed primarily of album tracks from amongst the group's four albums of original material for Soul City Records, many of which were B-sides to charting singles.  It also includes one A-side single: the group's cover of The Mamas & the Papas hit "Go Where You Wanna Go".  The song was originally intended to be the Mamas & the Papas first single but was replaced with the now-iconic "California Dreamin'".  Choosing that single, and seeing it become successful, became something of a mixed blessing for The 5th Dimension, as they were frequently referred to in the media as "The Black Mamas & the Papas", a label the group sought to escape while creating their own unique identity.

The Mamas &amp; the Papas (album): The Mamas & the Papas is the self-titled second studio album by The Mamas & the Papas, released in 1966.  The album peaked at number 4 on the US Billboard 200 album chart and number 24 in the UK.  The lead off single, "I Saw Her Again", reached number 5 on the US Billboard Hot 100 chart and number 11 in the UK Singles Chart. " Words of Love" was released as the second single in the US peaking at number 5.  In the UK, it was released as a double A-side with "Dancing in the Street" (a cover of the 1964 hit by Martha and the Vandellas) and charted at number 47 in the UK.

Supporting paragraphs: I Saw Her Again Denny Doherty
Answer: Canadian