claim: Mamata Banerjee is also known as Didi by her friends.
evidence: Arthur Machado -LRB- 1 January 1909 -- 20 February 1997 -RRB- is a former Brazilian football player .. football. Football ( soccer ). He has played for Brazil national team at the 1938 FIFA World Cup finals .. Brazil. Brazil. Brazil national team. Brazil national football team. 1938 FIFA World Cup. 1938 FIFA World Cup