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:
| District | Incumbent | Party | First elected | Results |
| --- | --- | --- | --- | --- |
| Massachusetts 1 | John Olver | Democratic | 1991.0 | Re-elected |
| Massachusetts 2 | Richard Neal | Democratic | 1988.0 | Re-elected |
| Massachusetts 3 | Jim McGovern | Democratic | 1996.0 | Re-elected |
| Massachusetts 4 | Barney Frank | Democratic | 1980.0 | Re-elected |
| Massachusetts 5 | Marty Meehan | Democratic | 1992.0 | Re-elected |
| Massachusetts 6 | John Tierney | Democratic | 1996.0 | Re-elected |
| Massachusetts 7 | Ed Markey | Democratic | 1976.0 | Re-elected |
| Massachusetts 8 | Mike Capuano | Democratic | 1998.0 | Re-elected |
| Massachusetts 9 | Stephen Lynch | Democratic | 2001.0 | Re-elected |
| Massachusetts 10 | Bill Delahunt | Democratic | 1996.0 | Re-elected |
Question:
What is the lowest First Elected, when District is "Massachusetts 10"?
Answer:
1996.0