CREATE TABLE table_28980706_4 (rating__18_49_ VARCHAR2, viewers__millions_ VARCHAR2)

When there are 10.02 million viewers what is the rating (18-49)?
SELECT rating__18_49_ FROM table_28980706_4 WHERE viewers__millions_ = "10.02"
SELECT "rating__18_49_" FROM "table_28980706_4" WHERE "10.02" = "viewers__millions_"