Task: Question Generation
Input (English): Context: At the 52nd Annual Grammy Awards, Beyoncé received ten nominations, including Album of the Year for I Am... Sasha Fierce, Record of the Year for "Halo", and Song of the Year for "Single Ladies (Put a Ring on It)", among others. She tied with Lauryn Hill for most Grammy nominations in a single year by a female artist. In 2010, Beyoncé was featured on Lady Gaga's single "Telephone" and its music video. The song topped the US Pop Songs chart, becoming the sixth number-one for both Beyoncé and Gaga, tying them with Mariah Carey for most number-ones since the Nielsen Top 40 airplay chart launched in 1992. "Telephone" received a Grammy Award nomination for Best Pop Collaboration with Vocals.
Output (English): Who did Beyoncé and Lady Gaga tie with for the most number one hits since 1992?