Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Week # | Theme | Song choice | Original artist | Order # | Result |
| --- | --- | --- | --- | --- | --- |
| Audition | N/A | " All I Do " | Stevie Wonder | N/A | Advanced |
| Hollywood | First Solo | " I Will Always Love You " | Dolly Parton | N/A | Advanced |
| Hollywood | Group Performance | " Get Ready " | The Temptations | N/A | Advanced |
| Hollywood | Second Solo | " If I Ain't Got You " | Alicia Keys | N/A | Advanced |
| Top 36/Semi-Final 3 | Billboard Hot 100 Hits to Date | " Be Without You " | Mary J. Blige | 12 | Advanced |
| Top 13 | Michael Jackson | " The Way You Make Me Feel " | Michael Jackson | 1 | Safe |
| Top 11 | Grand Ole Opry | " Independence Day " | Martina McBride | 4 | Safe |
| Top 10 | Motown | " (Love Is Like A) Heat Wave " | Martha and the Vandellas | 7 | Safe |
| Top 9 | Top Downloads | " I Surrender " | Celine Dion | 7 | Safe |
| Top 8 | Year They Were Born | " What's Love Got to Do with It " | Tina Turner | 3 | Bottom 3 |
| Top 7 | Songs from the Cinema | " The Rose " - The Rose | Bette Midler | 7 | Bottom 2 |
Question:
With order number 7 and the theme is Motown, who were the original artists?
Answer:
Martha and the Vandellas