Complex sentence: Five months later, Sheeran released his first single, "The A Team", on 12 June 2011; it debuted at number three on the UK Singles Chart with first week sales of 57,607 copies.
Split into simpler sentences: Five months later, Sheeran released his first single, "The A Team", on 12 June 2011. It debuted at number three on the UK Singles Chart with first week sales of 57,607 copies.