Table: gastao_elias_match_stats_2
Columns: edition
round
date
against
surface
opponent
result

Question: What was the date for Round 2r?
SQL: SELECT "date" FROM gastao_elias_match_stats_2 WHERE "round" = '2r'

Question: What date did the opponent George Khrikadze play?
SQL: SELECT "date" FROM gastao_elias_match_stats_2 WHERE "opponent" = 'george khrikadze'

Question: What round resulted in 6-0, 6-1, 6-2?
SQL: SELECT "round" FROM gastao_elias_match_stats_2 WHERE "result" = '6-0, 6-1, 6-2'

Question: What round was the opponent Sergiy Stakhovsky?
SQL: SELECT "round" FROM gastao_elias_match_stats_2 WHERE "opponent" = 'sergiy stakhovsky'