Complex sentence: Kovalev has received the highest score in Strictly history for seven of the show's fifteen dances and is the only Strictly professional dancer to receive the perfect score for the Paso Doble and the Tango.
Split into simpler sentences: Kovalev has received the highest score in Strictly history for seven of Strictly's fifteen dances. Kovalev is also the only Strictly professional dancer to receive the perfect score for the Paso Doble and the Tango.