Question: Who has scored the highest number of runs in test cricket?
Disambiguated questions and answers: question: Who has scored the highest number of runs in a career in test cricket?
Who has scored the highest number of runs in test cricket in a single match?
Who has scored the highest number of runs in test cricket in a series?
Who has scored the highest number of runs in test cricket in a calendar year?
Who has scored the highest number of runs in test cricket between successive dismissals?
Who has scored the highest number of runs in test cricket in an over?
answer: Sachin Tendulkar
Tendulkar
Gooch
Graham Gooch
Bradman
Donald Bradman
Mohammad Yousuf
Yousuf
Voges
Adam Voges
Brian Lara
Brian Lara, George Bailey, and Keshav Maharaj
George Bailey
Keshav Maharaj
Natural Questions answer: Sachin Tendulkar (from the Wikipedia article "List of Test cricket records")