Table: fed_cup_match
Columns: edition
round
date
partnering
against
surface
opponents
result

Question: Who was partnering when nueza silva played against greece?
SQL: SELECT "partnering" FROM fed_cup_match WHERE "against" = 'greece'

Question: What was the round when nueza silva played against greece?
SQL: SELECT "round" FROM fed_cup_match WHERE "against" = 'greece'

Question: Who were the opponents during the 2006 fed cup europe/africa group ii against greece?
SQL: SELECT "opponents" FROM fed_cup_match WHERE "edition" = '2006 fed cup europe/africa group ii' AND "against" = 'greece'