CREATE TABLE table_50523 ("Tournament" CLOB, "Surface" CLOB, "Week" CLOB, "Winner" CLOB, "Finalist" CLOB, "Semifinalists" CLOB)

what was the week for the match on a hard surface at Indian Wells tournament?
SELECT "Week" FROM table_50523 WHERE "Surface" = 'hard' AND "Tournament" = 'indian wells'
SELECT "Week" FROM "table_50523" WHERE "Surface" = 'hard' AND "Tournament" = 'indian wells'