Question: The owner of the YouTube channel WinterSpringPro was partnered with which other YouTube personality for Amazing Race 22?

<P0-S0> Mallory Christina Ervin (born October 26, 1985) is an American YouTube personality, former entertainer and former beauty pageant titleholder from Morganfield, Kentucky. <P0-S1>  She held the title of Miss Kentucky 2009 and was 4th runner-up to Miss America 2010. <P0-S2>  In September 2010, it was announced that she competed on "The Amazing Race 17" with her father Gary Ervin. <P0-S3>  "The Amazing Race" was filmed in May and June 2010 and premiered on September 26, 2010. <P0-S4>  Gary and Mallory were also one of the teams to return for "The Amazing Race 18", which premiered on February 20, 2011. <P0-S5>  Ervin returned to the race to join Mark Jackson in "The Amazing Race 24: All Stars", after Jackson's teammate William "Bopper" Minton was deemed unfit to race. <SEP> <P1-S0> The Nive Nulls is a YouTube channel of daily Vlogs, with over 350,000 subscribers. <P1-S1>  The vlogs feature the Null Family who live in Kansas City, Missouri. <P1-S2>  The family of five consist of husband, Austin his wife, Brittany, and their three young children Audriauna, Kailand, and Maddox. <P1-S3>  The Nulls are an interracial family; Austin Null is white and Brittany Null is African American. <P1-S4>  Austin Null was inspired by the vlogging family YouTube channel the SHAYTARDS to create their own YouTube channel. <P1-S5>  The Nive Nulls and the Shaytards were later to become friends can be seen making appearances in each other's Vlogs. <P1-S6>  The family posts videos Monday through Friday, of their daily lives as parents, which include typical family behaviors such as taking care of their children and eating together. <P1-S7>  They also include sharing their experiences of racism, interracial relationships, natural hair and, Christianity. <P1-S8>  They began their channel in 2010 and have over 60,000,000 views. <P1-S9>  Their channel has propelled other YouTube family vloggers such as Austin’s brother, Grayson Null and his wife, former gymnast Elyse Hopfner-Hibbs (Null). <P1-S10>  The Nive Nulls have over 80,102,662 views on their YouTube channel. <P1-S11>  In 2013 they won a Youtube Next Up Award. <P1-S12>  Brittany Null has her own Youtube channel titled "Britt's Breakdown" where she Vlogs about fashion, cooking and, motherhood. <SEP> <P2-S0> Joseph Michael Graceffa ( ; born May 16, 1991) is an American YouTube personality, actor, author, producer, and singer. <P2-S1>  He has two active YouTube channels, both of which are named after him. <P2-S2>  One of them is for vlogging and the other is used for video gaming content. <P2-S3>  They both have a combined total of more than 1.7 billion views. <P2-S4>  His other YouTube channel, which he no longer uses, called WinterSpringPro, has 60 million views (as of August 2017). <P2-S5>  He was a contestant on 22nd and 24th seasons of "The Amazing Race" and has appeared in short films (as web films) and short web television series on YouTube and its subscription-only service YouTube Red. <SEP> <P3-S0> Meghan Camarena (born July 17, 1987) known by her online pseudonym Strawburry17, is an American YouTube personality and television host. <P3-S1>  She has worked on a number of videos, web series, and films, gaining popularity as a YouTube star, and participating as a contestant with fellow YouTuber Joey Graceffa on "The Amazing Race 22" and "The Amazing Race: All-Stars". <P3-S2>  She was an on-screen host for video content at Teen.com and was the backstage correspondent for season 2 of the TruTV talent contest "Fake Off". <P3-S3>  in 2017, she and fellow YouTuber Jimmy Wong co-hosted the video game themed variety show "Polaris Primetime" which was part of Disney's inaugural "D  XP" summer programming block on Disney XD.